14results about How to "Increase installed capacity" patented technology

The invention discloses a constant-pressure type compressed air energy storage system and method combined with pumping and storage, and belongs to the technical field of electric energy physical energy storage systems, and the constant-pressure type energy storage system comprises a pumped storage subsystem, a turbine expansion power generation subsystem, a compressed air energy storage subsystem and a water-gas common-capacity cabin constant-pressure subsystem. By flexibly controlling the operation modes of the subsystems and the on-off states of valves among the subsystems, the system can achieve independent energy storage and power generation operation among the pumped storage subsystem, the air compression subsystem and the turbine expansion subsystem. The design not only improves the flexibility and reliability of the system, but also enables the system to carry out optimal configuration and operation according to actual demands, thereby further improving the energy storage efficiency and economic benefits.

The utility model discloses a working roll changing device. A left table top and a right table top are arranged at the upper end of an integral moving platform, and a rack is arranged at the lower end of the integral moving platform; the upper end faces of the left table top and the right table top are each provided with a set of double-track linear sliding rails I and II. The first driving mechanism is fixed on the rack to drive the integral moving platform to run along the track; the upper end of the back-and-forth moving platform is provided with a middle table top connected with the left table top and the right table top, and the lower end is provided with a supporting frame; the front-back moving platform is slidably connected to the rack through a second driving mechanism. Two groups of double-track linear slide rails III connected with the double-track linear slide rail I and the double-track linear slide rail II are arranged on the middle table board; a connecting buckle is arranged at one end of the bracket, and a third driving mechanism for driving the bracket to move along the double-track linear slide rails II, III and I is fixed at the other end of the bracket. The roller replacing device is high in automation degree, fast in roller replacing work, time-saving, labor-saving and high in efficiency; the cost for replacing the working roller is low, and the use efficiency is high.

This invention discloses an airport photovoltaic design method and system based on three-dimensional airspace constraints, which relates to the field of airport photovoltaic engineering technology. S1: Collect legal airspace control data of the target airport, site topography data, flight parameters, and regional annual meteorological and solar radiation data. Based on the collected multi-source data, construct a three-dimensional airspace constraint surface model of the airport, fully integrating four types of core airspace constraint boundaries within the airport: horizontal plane, conical surface, approach surface, and takeoff / climb surface, achieving a three-dimensional quantitative definition of the airspace constraint range. This airport photovoltaic design method and system based on three-dimensional airspace constraints is the first to deeply couple the airport's three-dimensional airspace constraint surface with photovoltaic design, abandoning the traditional two-dimensional uniform height restriction model. It constructs a full-space quantitative model based on the four types of core airspace constraint surfaces, representing a novel technical solution not disclosed in existing technologies, with significant design characteristics specific to airport scenarios.

The utility model relates to an arrangement structure of an anti-shading short lead assembly, which is characterized in that a plurality of battery pieces are welded in series to form a battery piece string, a plurality of rows of battery piece strings are connected in parallel through interconnection strips, the battery piece strings connected in parallel are welded on a bus bar to form a parallel battery piece group, and a plurality of parallel battery piece groups are connected in series to form the anti-shading short lead assembly. A positive junction box is arranged at the positive output end of the battery piece rectangular array, a negative junction box is arranged at the negative output end of the battery piece rectangular array, diodes in the positive junction box and the negative junction box are connected with battery piece sets at the two ends in parallel, an intermediate junction box is assembled on a middle battery piece, and diodes in the intermediate junction box are connected with a middle battery piece set in parallel. And the formed assembly is arranged in the frame body, so that a complete arrangement structure of the short lead assembly is formed. According to the utility model, the influence of shading can be reduced, more power is generated compared with a traditional assembly, and intervals among arrays are reduced, so that the installed capacity is improved under the same area, the area utilization rate is improved, and the maximum generating capacity is obtained.

The invention discloses a photovoltaic floating body and a photovoltaic system, the photovoltaic floating body comprises a floating body, the floating body is provided with at least two lightening holes, the floating body is provided with at least two groups of bracket mounting surfaces, and the bracket mounting surfaces are used for supporting at least two groups of photovoltaic modules through module brackets. According to the photovoltaic floating body disclosed by the invention, the photovoltaic module is supported through the mounting boss, so that the photovoltaic module is lifted, the water leaving height of the photovoltaic module is increased, the water entering probability of the photovoltaic module is reduced, the structure is simple, and the cost is low; meanwhile, a single photovoltaic floating body can support at least two groups of photovoltaic modules at the same time, so that the number of the photovoltaic floating bodies in the photovoltaic system is reduced, connection nodes are further reduced, the overall structural strength and stability of the floating body square matrix are improved, and the inclination angle difference of the photovoltaic modules in the photovoltaic system is optimized; in addition, the distance between the photovoltaic modules in the row can be shortened, and the installed capacity is effectively improved.

The invention relates to the technical field of power generation equipment, in particular to a shallow water single-column type offshore wind power coupling wave energy power generation system, a wind power generation system is mounted at the top of a single-column foundation, and a wave energy power generation system is slidably connected to the wave position of the lower portion of the single-column foundation. The sea area can be greatly reduced, equipment such as pile foundations, cables and transformer substations of the wind generating sets can be fully utilized by wave energy power generation equipment, only certain equipment and main material parameters need to be properly improved, the offshore wind generating sets are easy to find when being tall and poor in light, the influence on surrounding ships is reduced, and the offshore wind generating sets can be widely used. The installed capacity of the whole power generation field is relatively improved, the proportion of the influence of voltage and frequency brought by wave energy power generation equipment on the whole power generation field is reduced, and the stability of voltage, frequency and the like of the power generation field is improved.

The fabricated building photovoltaic roof structure comprises at least two triangular modules and a trapezoidal module, the triangular modules are distributed on the two sides of the trapezoidal module, the triangular modules and the trapezoidal module are fixedly connected to form a roof truss, a heat preservation layer is laid at the upper end of the roof truss, a purline is arranged between the roof truss and the heat preservation layer, and a support is fixedly connected to the purline. The photovoltaic panel is fixedly connected to the side, away from the heat preservation layer, of the support. The problem that in the prior art, a flat roof photovoltaic assembly formed by splicing box bodies is difficult to install is solved.

The utility model discloses a cement plant multi-power-supply electric quantity balance control system, which relates to the technical field of power distribution network, and comprises a transformer, a wire inlet cabinet, a waste heat power generation device and a photovoltaic power generation device, the low-voltage end of the transformer is connected with the wire inlet cabinet, the waste heat power generation device is connected to the wire inlet cabinet through a grid-connected cabinet I, and the photovoltaic power generation device is connected to the wire inlet cabinet through a grid-connected cabinet II. The photovoltaic power generation equipment is connected to the wire inlet cabinet through the second grid-connected cabinet, and the wire inlet cabinet is further connected with the energy storage system through the third grid-connected cabinet. According to the utility model, the energy storage system is reasonably configured, so that light abandoning is reduced, the energy storage system can be used as an electrical load, charging is carried out when the generating capacity cannot be consumed, and redundant generating capacity is consumed; the power consumption and the power generation amount are balanced as much as possible, the utilization rate of photovoltaic power generation amount in the cement factory is effectively improved, the production power consumption cost is reduced, in addition, the photovoltaic installed capacity can be improved by reasonably configuring the energy storage system, and therefore the production power consumption cost is further reduced.

The application discloses a constant-pressure compressed air energy storage system and method combined with pumped storage, and belongs to the technical field of physical energy storage systems. The constant-pressure energy storage system comprises a pumped storage subsystem, a turbine expansion generation subsystem, a compressed air energy storage subsystem and a water-gas coexistence cabin constant-pressure subsystem. The application can realize independent energy storage and power generation operation among the pumped storage subsystem, the air compression subsystem and the turbine expansion subsystem by flexibly controlling the operation modes of the subsystems and the valve opening and closing states among the subsystems. The design improves the flexibility and reliability of the system, and enables the system to be optimally configured and operated according to actual requirements, thereby further improving the energy storage efficiency and economic benefits.

The present invention discloses a photovoltaic module arrangement structure and arrangement method suitable for a gable roof, and belongs to the field of distributed roof photovoltaic technology. The present invention comprises a photovoltaic module, a plurality of pressing blocks, a plurality of pressing block support plates and purlins. The photovoltaic module is arranged vertically and horizontally, and the photovoltaic module is fixed on the purlins by the pressing blocks and the pressing block support plates. At the same time, a comprehensive channel integrating an inspection channel, a water supply pipeline and a cable trough box is arranged on the roof ridge. The present invention significantly improves the installation capacity per unit area of ​​the roof, increases the project benefits, realizes the quick installation of vertical and horizontal arrangements, and facilitates the inspection and maintenance of the roof photovoltaic module.

The invention discloses a shared photovoltaic support rear column and a photovoltaic support system, and the system comprises a pedestal, the lower part of which is provided with a connecting part which is used for clamping and fixing a guide rail; the heightening seat is detachably mounted at the upper part of the base; the heightening seat is of a bilateral symmetry structure, and a first supporting surface and a second supporting surface are arranged on the top surface of the heightening seat and are used for supporting two adjacent photovoltaic modules respectively; the first side pressing unit and the first supporting surface are used for being matched with each other to press the photovoltaic module on the left side; the second side pressing unit and the second supporting face are used for being matched with each other to press the photovoltaic module on the right side. According to the shared photovoltaic support rear stand column and the photovoltaic support system, the space utilization rate and the mounting and positioning accuracy can be improved, the shared photovoltaic support rear stand column is matched with a guide rail and a built-in connecting piece, and the strength of a guide rail splicing joint can be enhanced.

The utility model relates to the technical field of photovoltaic power generation, in particular to a photovoltaic device, and aims to solve the problem that illumination of vegetation is insufficient when an existing photovoltaic device is mounted above the vegetation. In order to achieve the purpose, the photovoltaic device provided by the utility model comprises a photovoltaic bracket, a photovoltaic assembly and a light guide assembly, the photovoltaic modules are arranged in rows along a first direction and are fixed on the photovoltaic bracket; the light guide assembly comprises a light collecting cover and a diffuser, the light collecting cover is configured to collect light rays and converge the light rays to the diffuser, and the diffuser is configured to diffuse the light rays received from the light collecting cover to the position below the photovoltaic assembly. Since the light guide assembly can irradiate the collected light to the lower part of the photovoltaic assembly, the illumination of at least part of vegetation shielded by the photovoltaic assembly is supplemented, and the normal growth of plants below the photovoltaic assembly is ensured, so that the photovoltaic assembly can be arranged more densely, and the installed capacity of the photovoltaic assembly is increased.

The invention discloses a BIPV (building integrated photovoltaics) double-layer waterproof roof system provided with primary and secondary stress wave profiled steel sheets. The system mainly comprises a primary and secondary stress wave profiled steel sheet, a photovoltaic module and a module fixing and connecting frame. Primary and secondary stress wave profiled steel sheets are arranged to be in a double-splicing type and a whole-plate type, and each of the two types of profiled steel sheets is composed of a primary stress wave peak, a secondary stress wave peak and a wave trough. And the component fixed connecting frame is fixed on the wave peak of the main stress wave through a fastener. A thermal insulation structure layer and a built-in cable trough box can be laid on the lower portion of the photovoltaic assembly and within the wave crest range. Compared with a traditional roof profiled steel sheet, the roof profiled steel sheet is more reasonable in structure, smaller in deformation, more economical and convenient to install by adjusting the height, thickness and wave crest width of primary and secondary stress waves. The assembly fixing connecting frame is only arranged at the peak of the main stress wave, and a full-length guide rail or a water tank does not need to be arranged, so that the device is more economical. The double-spliced profiled steel sheet provided with the primary and secondary stress waves can be matched with different module widths, and has good adaptability for the trend that photovoltaic modules become larger and larger.