395 results about "Diesel engine generator" patented technology

The invention provides a micro-grid dispatching method based on a hybrid genetic particle swarm optimization algorithm. The method comprises the following steps: constructing a micro-grid system comprising a photovoltaic cell PV, a fan WT, a diesel generator DE and a micro gas turbine MT; based on the micro-grid system, a multi-objective optimized micro-grid optimization scheduling model is constructed, an objective function of the optimization scheduling model is set to be cost for minimizing the micro-grid in a grid-connected mode, and the cost comprises operation cost and environment cost; and solving the optimal scheduling model of the micro-grid by adopting a hybrid genetic particle swarm optimization algorithm MOPSO, and outputting an optimization result meeting a scheduling strategy. According to the method, the operation cost is optimized, the microgrid dispatching strategy with the optimal economical efficiency can be formulated by accurately predicting the future load and the new energy output and fully utilizing adjustable and controllable means such as energy storage and the hybrid genetic particle swarm optimization algorithm, and the operation cost is reduced.

The invention discloses an electric power control method based on a diesel generator, commercial power and photovoltaic grid connection. The method comprises the following steps: acquiring operation data of commercial power, a diesel generator and photovoltaic-energy storage through an energy management system, constructing a multi-target dynamic optimization model, and distributing power by taking the lowest comprehensive operation cost, the highest power supply reliability and the minimum carbon emission as targets; the power analysis and regulation unit adopts a double-loop mechanism of outer-loop Kalman filtering prediction compensation and inner-loop model prediction control, synchronizes the voltage, frequency and phase of the side to be connected with the grid and the power grid side, and smoothly switches the power change rate of each energy source in the process through a self-adaptive sliding mode control strategy; and the grid-connected switching unit intelligently pre-judges the grid-connected switching opportunity by using a long short-term memory (LSTM) network and fuzzy logic fusion model. According to the invention, the energy utilization efficiency and the power supply stability are improved, multi-energy intelligent dynamic regulation and control are realized, the comprehensive operation cost of the system is effectively reduced, and reliable power supply under complex working conditions is ensured.

The invention discloses an oil-electricity hybrid linkage power supply system and a control method for a network electric drill, and belongs to the technical field of oil field network electricity land drilling machine system optimization control. Aiming at the power supply and consumption characteristics of the grid electricity drilling machine, on the basis of the energy flow characteristics of the grid electricity drilling machine system, the power grid side, the diesel generating sets and the grid electricity drilling machine oil-electricity hybrid linkage power supply system are linked, a multi-source coordination control algorithm is adopted, the starting number of the diesel generating sets is selected according to the power consumption capacity gap, and flexible power adjustment is conducted; with the purpose of minimizing the power utilization cost during operation of the grid electricity drilling machine, stable power output of the diesel generating set is balanced, the optimal economic operation mode is achieved, and mutual impact of currents of a power grid side and the diesel generating set is prevented; the problems that an existing single power supply cannot meet the electricity demand of the grid electricity drilling machine, cost is high, and cooperative power supply production efficiency is low are solved.

The invention discloses a multi-objective optimization scheduling method and system for an electricity-hydrogen collaborative micro-grid, and the equipment unit in the electricity-hydrogen collaborative micro-grid comprises a photovoltaic output unit, a fan output unit, a battery energy storage unit, a diesel generator unit, a hydrogen energy storage unit, and a flexible load demand side management unit. The method comprises the following steps: constructing a multi-target optimization scheduling model of the power-hydrogen collaborative micro-grid based on an operation model of an equipment unit in the power-hydrogen collaborative micro-grid; and solving the established multi-target optimization scheduling model of the electricity-hydrogen collaborative micro-grid to obtain an optimization scheduling scheme. According to the method, an emerging hydrogen energy technology is incorporated into a micro-grid system, a hydrogen energy storage unit in the micro-grid is incorporated into an optimal scheduling scheme, a hydrogen power generation and electric hydrogen production system is integrated with traditional battery energy storage and renewable energy sources, and the diversity and flexibility of micro-grid scheduling are improved.

The invention belongs to the technical field of diesel generating sets, and mainly discloses a silent diesel generating set used in a low-temperature environment. The problem that self-starting load is increased due to initial connection of an output shaft of a diesel engine and an input shaft of a generator is solved. Comprising a mounting base, the mounting base is provided with a sound insulation shell, the mounting base is fixedly connected with a diesel engine and a generator, an output shaft of the diesel engine is fixedly connected with a fixing column, the fixing column is in spline connection with a sliding shell, a limiting block is slidably connected in the sliding shell, and an input shaft of the generator is fixedly connected with a connecting column. And the connecting column is rotationally connected with a rotating disc. By moving the position of the sliding shell, the limiting block and the rotating disc are connected and matched, meanwhile, the mute working state of the device is guaranteed through the sound insulation shell, the purpose that the output shaft of the diesel engine and the input shaft of the generator are initially disconnected is achieved, preheating is conducted only by independently rotating the diesel engine, and the rotating load of the output shaft of the diesel engine is reduced; and additional abrasion of the diesel engine is avoided.

The invention provides a control method and system for connecting an energy storage inverter into a diesel generator and a power grid in parallel, and belongs to the technical field of electric energy dispatching. The control method for connecting the energy storage inverters into the diesel generator and the power grid in parallel comprises the following steps of S1, arranging the multiple energy storage inverters in parallel; s2, all the energy storage inverters are controlled to be started; s3, respectively acquiring real-time residual electric quantity of all the batteries; s4, when the real-time residual electric quantity of the battery corresponding to at least one energy storage inverter is smaller than a first preset value, the energy storage inverters are controlled to stop discharging, and when a first preset condition is met, the diesel generator is controlled to be started; and S5, when the real-time residual electric quantities of all the energy storage inverters are greater than a second preset value and meet a second preset condition, controlling the diesel generator to be turned off and controlling all the energy storage inverters to be turned on. Start and stop of the diesel generator are reasonably controlled, and the diesel generator and the battery are effectively utilized.

The invention belongs to the technical field of emergency power supply systems, and particularly discloses a diesel generator load regulation method and system based on dynamic load regulation, and the method comprises the following steps: obtaining the power generation output quantity of wind power and solar power generation, collecting the real-time load power demand, and obtaining the power generation output quantity of the wind power and solar power generation; judging whether the real-time generating capacity of wind power and solar energy meets the real-time load electricity demand or not, predicting the load electricity demand and the generating capacity of wind power and solar energy, and determining a stability index of the electricity utilization system according to the real-time load electricity demand and the predicted load electricity demand; determining the initial load of the diesel generator according to the real-time load electricity demand, the stability index and the generating capacity of wind power and solar energy; and establishing a target function, and scheduling the diesel generator based on the predicted load electricity demand and the initial load. By adopting the technical scheme, the power output of wind energy, solar energy and diesel generators is flexibly dispatched, and the energy source is timely adjusted according to the dynamic change of the load.

The invention provides an EMS-based multi-source cooperative switching and interlocking control method and system and a storage medium, and the method comprises the steps: firstly, monitoring the state of a power grid in real time, and achieving the quick switching operation through an STS if the power grid is abnormal; then, photovoltaic power supply is started preferentially, when photovoltaic power supply is not available, phase difference is detected in real time through a DZZB-A module, the rotating speed is dynamically adjusted based on the phase difference so as to meet dynamic grid-connected control of an oil engine (diesel generator), and impact-free grid connection is achieved; finally, based on the power supply power and the load power, a PCS charging and discharging mode is intelligently switched, and the stability of the power supply system is improved; meanwhile, through a double-path auxiliary power redundancy mechanism, a working power supply of the STS cabinet is ensured, and a power loss blind area of a control circuit is eliminated; in addition, through safety interlocking logic, automatic breaking of the power grid and the oil engine is achieved, and the problem of short circuit caused by parallel connection of power sources is prevented. The power supply system reliability is improved.

The invention discloses a power supply system containing a hybrid energy storage and diesel generator two-stage emergency power supply, which relates to the technical field of power supply systems and comprises an alternating current bus, a system power supply, an energy storage device, a diesel generator, an important load and an unimportant load. The system power supply comprises a frequently-used power supply and a standby power supply which are respectively connected to the AC bus through switches; the energy storage device consists of a hybrid energy storage system, a three-phase inverter, a filtering unit and an energy storage switch, and is connected to the alternating current bus; the diesel generator is connected to the bus through the grid-connected switch; the loads are divided into important loads and unimportant loads, and the system has four switchable states of common power supply-energy storage parallel connection, standby power supply-energy storage parallel connection, energy storage power supply and diesel generator-energy storage parallel connection so as to ensure stable power supply.

The invention discloses an efficient diesel generating set, and belongs to the technical field of diesel generating sets. Comprising a rack, a diesel engine and a generator are fixedly connected to the rack, a rotor of the generator is fixedly connected with a power shell, the power shell is rotationally connected with a transfer shell, the transfer shell is fixedly connected with a bearing shell, a crankshaft of the diesel engine is fixedly connected with the bearing shell, and an embedding unit used for guaranteeing transmission safety is arranged on the power shell; the embedding unit comprises first embedding pieces which are distributed in a circumferential array mode, the first embedding pieces which are distributed in the circumferential array mode are fixedly connected to the power shell, and second embedding pieces which are distributed in the circumferential array mode are slidably connected to the transfer shell. According to the invention, through the cooperation of the first embedding piece and the second embedding piece, when the crankshaft or the rotor is suddenly blocked, the power connection between the crankshaft of the diesel engine and the generator is completely disconnected, so that irreversible damage to the crankshaft or the rotor caused by the blocking condition is prevented.

The invention provides a load tracking control method for an energy storage system in an oil field scene, which realizes cooperative control of constant-power operation of a generator and rapid compensation of energy storage. The system comprises the following mechanisms: a diesel generator; the energy storage system comprises an energy storage converter PCS and an energy storage battery pack; the AI sampling module is used for respectively sampling implementation voltage and current data of the diesel generator and the load through a voltage transformer PT and a current transformer CT; the EMS system side power calculation module comprises an energy management system power calculation module and a power conversion system; and an oil field load; an output end of a diesel generator and an output end of an energy storage converter PCS are converged to a load output line and then are connected to an oil field load, an AI sampling module also samples voltage and current data of the load output line, the diesel generator and an energy storage system supply power to the oil field load at the same time, and an engine operates in a high-efficiency interval. And the energy storage system bears instantaneous power fluctuation.

The invention discloses a shock absorption and noise reduction type diesel generator which comprises a base and a sound insulation shell installed on the upper end face of the base and used for insulating sound and reducing noise. A diesel generator body is arranged above the base and integrally wraps the diesel generator body, a connecting seat is fixed to the lower end face of the diesel generator body, and the lower end of the connecting seat is rotationally connected with one end of a connecting rod. According to the shock absorption and noise reduction type diesel generator, the shock absorption effect is achieved, the shock absorption effect is further achieved, meanwhile, the second shock absorbers are arranged, the shock absorption effect is further improved, noise is reduced through shock absorption, the practicability is good, and when air flows in the heat dissipation pipes, the heat dissipation efficiency is improved. Heat generated during operation of the diesel generator body can be taken away, then the heat dissipation effect is achieved, dust attached to the surfaces of the heat dissipation openings can be cleaned, and the problem that heat dissipation of the heat dissipation openings cannot be achieved due to dust accumulation can be solved.

The invention discloses a light-diesel hybrid energy storage system and a control method thereof, and belongs to the field of microgrids. The system comprises a photovoltaic power generation unit, a diesel generator set, a hybrid energy storage unit (a storage battery and a super capacitor), an AC / DC bus, a bidirectional AC / DC converter and a system controller. The controller executes hybrid energy storage frequency division control (without sampling load power and distributing power through bus voltage), V / f control and nine multi-mode energy management strategies, and monitors parameters such as photovoltaic output, load power, energy storage charge state and the like in real time to realize intelligent mode switching. The super capacitor preferentially responds to the pulse load, and the voltage fluctuation ratio is smaller than or equal to 5%; the service life of the storage battery is prolonged in combination with energy storage charge state threshold management; photovoltaic maximum utilization enables the system efficiency to be greater than or equal to 90%, and the diesel oil consumption is obviously reduced. The method is suitable for power grid coverage difficulty scenes such as off-network communication base stations, remote sentries and emergency power supply stations, and has high reliability and maneuverability.

The invention discloses a hybrid energy storage power supply system for diesel engine replacement and an energy management method, and relates to the technical field of hybrid energy storage power supply and management methods. An assembly with the photoelectric conversion efficiency exceeding 23% and a 10KV-level string type inverter are adopted, and a photovoltaic-energy storage combined MPPT control function is integrated; the lithium iron phosphate energy storage system is matched with a bidirectional PCS and an active equalization technology, and is designed according to 1.5 times of daily peak-valley difference and 2 hours of emergency standby power; the diesel generating set group is started in a grading manner according to load gaps, and is matched with a 10KV / 380V intelligent charging unit; the coordination control center realizes two-dimensional prediction and coordinated scheduling based on an LSTM neural network, couples each unit through a 10KV intelligent bus system, divides load priorities, collects meteorological and equipment parameters, and constructs photovoltaic priority consumption, energy storage stabilization fluctuation, diesel generator guarantee emergency, and flexible and adjustable charging operation modes. The method has the advantages that the energy utilization efficiency is improved, the power supply stability is enhanced, the whole-cycle cost is reduced, limited operation and maintenance scenes are adapted, and diversified power supply requirements are met.

The invention belongs to the field of diesel generating sets, particularly relates to a diesel generating set shell welding device with an angle self-adjusting function, and provides the following scheme aiming at the problems that an existing welding device is difficult to adapt to shells with different shapes and sizes and the angles of the shells cannot be adjusted according to welding requirements: the diesel generating set shell welding device comprises a machining table and a welding gun, a rectangular groove is formed in the top of the machining table, communicating notches are formed in the inner walls of the two sides of the rectangular groove, and supporting assemblies used for supporting the shells are arranged in the notches. According to the generator shell machining device, self-adaptive clamping can be conducted according to different shapes of the generator shells through clamping rods and clamping plates in the clamping assemblies; the clamping rod can gradually abut against the shell under the action of the tension spring and gradually move backwards by different lengths according to the appearance of the shell, so that it is ensured that the shell is stably clamped, the positions of the two sliding rectangular plates can be conveniently adjusted through the adjusting assembly, and clamping and loosening operation on the shell is achieved.

The invention discloses an island micro-grid frequency coordination control method based on flywheel and battery hybrid energy storage, and provides a hybrid energy storage coordination control method for solving the problem that a diesel generator in an island micro-grid is low in inherent response speed and difficult to deal with rapid load disturbance in time. The method combines the advantages of a flywheel energy storage system (FESS) and a battery energy storage system (BESS) to construct a multi-time-scale frequency regulation mechanism: the FESS is responsible for absorbing or releasing a high-frequency power component and quickly responding to instantaneous fluctuation; the BESS bears an intermediate-frequency power component and realizes medium-term energy regulation; and the diesel generator compensates the low-frequency power component and maintains long-term steady-state operation. Through the multi-unit collaborative hierarchical control, the frequency stability and the operation reliability of the island micro-grid are remarkably improved, the dynamic regulation pressure of the diesel engine is reduced, and the frequent charge-discharge cycle of the battery is reduced, so that the service life of the energy storage system is prolonged.

The invention provides an integrated intelligent verification system and method for a diesel generator speed regulation system. The system comprises a mechanical speed regulation testboard, an electronic speed regulation testboard and an intelligent verification device. The intelligent verification device comprises an upper computer device and a lower computer device. The upper computer equipment is used for simulating and outputting the working mode of the diesel generator and providing test working parameters for the electronic speed regulator and the mechanical speed regulator based on the working mode of the diesel generator; the lower computer equipment is respectively connected with the upper computer equipment, the electronic speed regulator, the mechanical speed regulation control box and the detection equipment, and is used for correspondingly sending test working parameters to the electronic speed regulator and the mechanical speed regulator, and collecting working state parameters of the electronic speed regulator and working state parameters of the mechanical speed regulator to the upper computer equipment in real time; and the upper computer device displays and analyzes the working state parameters so as to verify the electronic speed regulator and the mechanical speed regulator. According to the invention, off-line test verification can be carried out on the diesel generator speed regulation system.

The invention relates to an oil well wind-solar-diesel intelligent power generation and oil pumping control system which is characterized by comprising a photovoltaic MPPT charging module, a fan charging module, a rectifier module, a frequency converter, a diesel generator, a BMS battery management module, an EMS energy management module, a touch screen display module and an RTU communication module. The EMS energy management module is used for coordinating and controlling the generated power of the photovoltaic module, the fan module, the diesel generator and the rectifier module, preferentially using the photovoltaic module and the fan to generate power, and adjusting the running state of each module according to the battery voltage, the SOC and the load power of the BMS; the diesel generator can be used in areas without electricity to perfectly replace a diesel generator. Compared with a diesel generator for oil pumping or power generation, the system has the greatest advantages of low maintenance cost and high economic benefit.

The invention discloses a generator set performance test system, which comprises a control detection member, the control detection member comprises a sealing member, a control member and a detection member, and the control member controls the bumping degree of a diesel generator set in the test process and the humidity environment in the test process on the sealing member, the detection piece is used for detecting the power of the diesel generating set in a specific bumping state and a humidity environment in real time on the sealing piece; the jolting test piece comprises a plane vibration test piece and a twisting test piece, the plane vibration test piece provides reciprocating jolting force along the X axis and the Y axis for the diesel generator set on the sealing piece, and the twisting test piece is used for bearing the diesel generator set on the plane vibration test piece; and the torsion rotating along the X axis and the torsion rotating along the Y axis are provided for the diesel generating set. The device is reasonable in structural design, accurate in performance test of the generator set, reliable in operation and capable of simulating four-degree-of-freedom jolting environments of the diesel generator set and sea surface environments with different jolting strengths.

The utility model relates to the technical field of diesel generating sets, and discloses an ultra-silence type diesel generating set which comprises a waterproof box body, a top cover is hinged to the top of the waterproof box body, a rectangular opening A is formed in the top of the top cover, a filter screen A is fixedly installed in an inner cavity of the rectangular opening A, and a rectangular opening B is formed in the bottom of the waterproof box body. And a filter screen B is fixedly mounted in an inner cavity of the rectangular opening B, and a cleaning assembly is arranged at the top of the filter screen B. When the diesel generator body works, vibration is generated to extrude a plurality of dampers and damping springs, and when a movable plate moves downwards, adjacent sliding blocks can move towards the sides away from each other through hinge rods; and furthermore, the connecting lugs fixed to the adjacent sliding blocks can move towards the sides away from each other, the adjacent telescopic springs can be extruded, damping can be conducted when the diesel generator body works, noise is avoided, and the working environment quality of the device is improved.

The utility model discloses a 400V station service power switching and diesel generator remote automatic input system for a hydropower station, and belongs to the field of power switching. The utility model aims to solve the problem that manual closing of plant diesel generator power supply equipment is easy to cause accidents. The first power supply end is connected to a movable contact of a first dual-power-supply change-over switch through a first circuit breaker, a first transformer and the other end of a first isolation disconnecting link in sequence, a static contact of the first dual-power-supply change-over switch is connected with a 400 V bus, and the other movable contact of the first dual-power-supply change-over switch is connected with a static contact of a second dual-power-supply change-over switch. One movable contact of the second dual-power change-over switch is connected with a second power supply end through a second isolation disconnecting link, a second transformer and a second circuit breaker in sequence, and the other movable contact of the second dual-power change-over switch is connected with the diesel generator through a third isolation disconnecting link; one phase of phase voltage is randomly selected from the 400V bus to be connected to the voltage input end of the diesel generator starting circuit; and detecting whether the 400V bus is electrified or not, and judging whether to control the diesel generator to start or not. The method is used for automatically switching power supply.

The invention relates to the technical field of ship power system energy management, and particularly discloses an energy management optimization method and system based on a ship microgrid, and the system comprises a photovoltaic power generation unit, an energy storage unit, and a diesel generator unit. The photovoltaic power generation unit is provided with a maximum power point tracking controller to achieve the maximum utilization rate of solar energy, the energy storage unit comprises a storage battery and a bidirectional power converter, the charge state is monitored in real time, a safety threshold value is set, and the diesel generator unit serves as a standby power supply. Based on an improved logic threshold control mechanism, a photovoltaic power generation unit is used as a main energy source and works at a maximum power point; the energy storage battery is a secondary buffer unit, a charge state safety threshold value is set, dynamic charging and discharging are carried out, and when photovoltaic output is surplus and the storage battery does not reach the upper limit, surplus electric energy is stored in the storage battery.

The invention belongs to the technical field of diesel generator stators, and particularly relates to a diesel generator stator core punching sheet forming device and method.The device comprises a material carrying assembly, an auxiliary material transferring assembly, a punching assembly and a material receiving assembly, and the punching assembly is arranged above the material carrying assembly; an auxiliary material transferring assembly and a material receiving assembly are sequentially arranged at the position, located below the stamping assembly, of the material carrying assembly. Continuous step-by-step stamping can be carried out on the rectangular silicon steel raw material sheet, and the overall stamping difficulty is reduced. After stamping, the stator iron core punching sheets can be stacked and welded into the stator iron core in time, the opening belt is used as a welding material in the welding process, the welding seam structure and performance of the same material are consistent with those of a punching sheet base body, the problems of interface reaction, middle layers or inclusions and the like do not exist, and good connection quality and welding stability can be guaranteed.

The invention discloses an ultra-silence diesel generating set, and relates to the technical field of diesel generating sets, the ultra-silence diesel generating set comprises a support, a diesel generating set body is arranged on the top surface of the support, the diesel generating set body comprises a diesel engine, a generator body and a control module, and the diesel engine is arranged on the top surface of the support and used for converting chemical energy of diesel into mechanical energy; a diesel engine set body, a generator body, a connecting roller, a gear, a driving motor, a first positioning block, a second connecting rod, a third connecting rod, a second positioning block, a damper, a connecting ring, a second spring, a clamping plate, an electric push rod and a fixing strip which are arranged are matched with one another, so that the stroke of the damper and the second spring can be shortened and locked; when the diesel engine set body vibrates at low frequency, the stroke of the damper and the stroke of the second spring are long, damping of the diesel engine set body is better achieved, noise generated when the diesel engine set body is used is reduced, the noise reduction effect on the diesel engine set body is achieved, and ultra-silence of the diesel engine set body is achieved.

The invention relates to the technical field of generator sets, and discloses a multifunctional portable generator set which comprises a sound insulation shell and further comprises a buffer device arranged at the bottom of an inner cavity of the sound insulation shell, a diesel generator set is fixedly installed at the top of the buffer device, and an exhaust silencing mechanism is fixedly connected to an exhaust port in the right side of the diesel generator set. The right side of the sound insulation shell is fixedly connected with a ventilation and noise elimination mechanism, the noise elimination assembly is arranged, the baffles are arranged in the axial direction of the installation barrel at gradually-changing intervals, and the installation barrel is divided into a plurality of expansion chambers with the lengths gradually decreased in the airflow direction. When diesel engine tail gas enters the expansion chamber from the round pipe or enters the round pipe from the expansion chamber, the sectional area of the flow channel is suddenly expanded or shrunk, acoustic impedance mutation is formed, and exhaust noise is effectively reduced. In addition, due to the fact that the lengths of the expansion chambers are distributed in a gradually-changing mode, the silencing assembly can cover low-frequency noise in a wider frequency range, and the noise reduction effect on the low-frequency noise is improved.

The invention discloses a diesel storage photoelectric network system which comprises a photovoltaic system, a diesel generator set, a load, an energy storage device and a control unit. The control unit comprises a monitoring module, and the monitoring module is connected with the diesel generator set, the photovoltaic system, the load and the energy storage device. The monitoring module is connected with a control module, and the control module is connected with a switching execution module and a communication module; the switching execution module is connected with the diesel generator set and the energy storage device. The communication module is connected with a diesel generator controller, a photovoltaic inverter, an energy storage BMS, a load management system and a control center. The invention further discloses a control method of the diesel storage photoelectric network system. The control method comprises a diesel generator set fault control method and a photovoltaic power sudden drop control method. According to the system and the method, rapid cooperation of the energy storage and the diesel generator can be realized, seamless switching between power supplies is ensured when the system encounters a fault, and continuous and stable power supply of a key load is ensured.

The invention relates to a diesel-optical-storage hybrid system energy storage configuration method and system considering inertia response. The method comprises the following steps: determining a minimum demand value of inertia of a diesel-optical-storage hybrid system according to a micro-grid frequency stability index; the minimum demand value of the virtual inertia of the optical storage VSG is obtained according to the minimum demand value of the inherent inertia of the diesel generator and the minimum demand value of the inertia of the diesel-optical storage hybrid system; further obtaining an output power constraint limit value of the optical storage VSG; the dynamic characteristics of the photovoltaic cell are described as an output power curve by adopting an implicit curve fitting mode, and the maximum output power fluctuation range of the photovoltaic cell under the inertia frequency modulation scale is obtained; and the maximum charging and discharging power of the storage battery is determined by combining the output power constraint limit value of the optical storage VSG, so that the maximum power configuration of energy storage is obtained. Compared with the prior art, the method has the advantages that the frequency collapse risk caused by photovoltaic fluctuation or response delay of the diesel generator is remarkably reduced, and an energy storage plan considering safety and cost is provided for a novel power system.

A liquefied natural gas (LNG) production complex includes a gravity-based structure (GBS), with liquid storage tanks inside and topside modules on the GBS top slab including interconnecting modules along the GBS top slab centerline, and equipment modules at least some of which are on each side. Equipment modules include: first row on one side: at least one module of reception installations, a condensate stabilization installation, and an acid gas removal installation, and at least one module of mixed refrigerant compressors, second row on the other side: modules of gas dehydration, mercury removal, wide fraction of light hydrocarbons extraction, fractionation and liquefaction installations, and at least one module of boil-off gas, fuel gas system and heating medium compressors; the equipment modules along the GBS short end include: one or more power plant modules, modules with the main technical room and emergency diesel generators, and auxiliary systems modules.

The utility model discloses a diesel generator flue gas purification mechanism for civil air defence engineering, including air inlet pipe and purification bin, the air inlet pipe one end is linked with diesel generator exhaust pipe in civil air defence engineering power generation room intercommunication, the other end of air inlet pipe is inserted into the purification bin and the opening direction is perpendicular to downward, the open end position of air inlet pipe in the purification bin is connected with the shunt joint, each interface of shunt joint all is connected with the jet pipe that the air hole of pipe body lateral wall is evenly set up, the utility model relates to civil air defence engineering technical field, utilize liquid supply booster pump and press into the spray subassembly in alkaline solution (15% magnesium hydroxide compound agent), and further via spray subassembly to the spray of filler layer, make the nitrogen monoxide, nitrogen dioxide, sulfur dioxide and particulate matter etc. in tail gas contact with the alkaline water mist in purification bin and filler layer, to the purification treatment of nitrogen monoxide, nitrogen dioxide, sulfur dioxide and particulate matter.

The utility model relates to the technical field of tail gas particulate matter trapping, in particular to a diesel generator tail gas particulate matter trapping device. According to the technical scheme, the air purifier comprises a mounting shell and a filter element, an air inlet pipe is fixed to the front end of the mounting shell, an exhaust pipe is fixed to the tail end of the mounting shell, a core sleeve is fixed to the middle of the interior of the mounting shell, a pair of mounting grooves are formed in the outer side of the core sleeve, the filter element is arranged in the mounting grooves, and open grooves are formed in the positions, aligned to the mounting grooves, of the mounting shell. A sealing cover is installed in the opening groove, rotating plates are rotationally connected to the positions, located at the two ends of the core sleeve, in the installation shell, and flow guide holes are formed in the rotating plates. According to the utility model, particulate matters are captured by utilizing the two filter elements which are alternately collected in the mounting shell, and tail gas can be drained into different mounting grooves through the rotation of the rotating plate, so that the filter elements can be disassembled and cleaned under the condition that the machine is not stopped.