16 results about "Solar inverter" patented technology

This utility model discloses an overload protection device for a solar inverter, including an inverter housing with side plates and a front plate fixedly connected. The side plates have heat dissipation grilles embedded within them and fixedly connected. Each grille has several adjacent grille units, and each unit has grille holes. The front plate has a thermochromic strip fixedly connected to it. The beneficial effect of this solar inverter overload protection device lies in its comprehensive application of passive heat dissipation measures and active thermochromic measures, reminding operators to pay attention to the internal temperature of the inverter housing and taking timely measures to prevent overload when the temperature is too high.

A solar inverter includes a housing, at least one circuit board disposed in the housing, a current sensor disposed on the circuit board, an arc detection coil disposed on the circuit board, a self-test circuit disposed on the circuit board, and at least one DC input terminal disposed on the housing and connected to the circuit board. The self-test circuit is configured to deliver a test signal for the arc detection coil to sense. The DC input terminal is configured to deliver current through the arc detection coil, and the current sensor is configured to detect the magnitude of the current through the DC input terminal.

The application discloses a solar inverter system, and particularly relates to the technical field of solar power generation and power electronic control, which comprises the following modules: a photovoltaic module string dynamic reconstruction module, which dynamically adjusts the parallel connection topology of the module string through a matrix switch network, and isolates mismatched modules to output maximum power point direct current; a multi-modal MPPT and predictive control module, which fuses a neural network to output an optimal duty cycle; a high-frequency isolated DC-AC power conversion module, which adopts an LLC resonance topology and dynamically adjusts resonance inductance and capacitance, and combines temperature self-adaptive frequency and dead zone control to perform efficient conversion; an intelligent grid-connected and energy storage interface module, which supports virtual synchronous generator charging and discharging management, and bypasses the converter to reduce no-load loss when off-grid and light load; and a thermoelectricity cooperative self-adaptive cooling module, which adjusts cooling intensity based on loss feedforward prediction, and recycles waste heat to feed back to a direct current bus. The application improves solar inverter power generation efficiency, power conversion energy efficiency and system energy utilization rate.

The utility model discloses a kind of supports for solar inverter, including supporting chassis, the upper surface of the supporting chassis is fixed with fixed frame, the top end inboard of the fixed frame is provided with first bearing, the inboard of the first bearing is provided with first threaded column, the top end of the first threaded column is fixed with first hand crank, the connecting place of the first threaded column and supporting chassis is provided with second bearing, can adjust protective housing and water receiving bin to lift at any time, so that protective housing rises, staff to the inverter inside protective housing is maintained or checked, otherwise, when protective housing is lowered to the lowest end, inverter can be completely wrapped, rain is prevented, secondly water receiving bin and drip end can collect rainwater, concentratedly discharge, so as to prevent rainwater from penetrating protective housing, avoid that most structure of support for solar inverter is too simple, rain cannot be effectively prevented, leading to cannot cope with bad weather.

This invention provides a power management system and control method for a string-type solar inverter that provides a stable power supply to an AC grid. [Solution] The system includes a first DC / DC converter 114 coupled between a first solar panel string 112 and a DC voltage bus, a large power point (MPP) tracker 101 that performs a maximum power point tracking (MPPT) control scheme for the first DC / DC converter, a power reservoir 102 coupled between a second solar panel string 122 and a DC voltage bus and including a second DC / DC converter 124, and an inverter 154 coupled between the DC voltage bus and a power grid that operates in multiple modes including grid forming (GFM) mode and grid following (GFL) mode, in GFM mode, the second DC / DC converter adjusts the voltage on the DC voltage bus.

A system includes a maximum power point (MPP) tracker (101) coupled between a first solar panel string (112) and a DC voltage bus (Vdc), wherein the MPP tracker (101) includes a first DC / DC converter (114) and is configured to perform a maximum power point tracking (MPPT) control scheme on the first DC / DC converter (114), a power reservoir (102) coupled between a second solar panel string (122) and the DC voltage bus (Vdc), wherein the power reservoir (102) includes a second DC / DC converter (124), and an inverter (154) coupled between the DC voltage bus (Vdc) and a power grid (154), wherein the inverter is configured to operate in multiple modes including a grid-forming (GFM) mode and a grid-following (GFL) mode, and wherein in the GFM mode, the second DC / DC converter (124) is configured to regulate a voltage on the DC voltage bus (Vdc).

A system includes a maximum power point (MPP) tracker coupled between a first solar panel string and a DC voltage bus, wherein the MPP tracker includes a first DC / DC converter and is configured to perform a maximum power point tracking (MPPT) control scheme on the first DC / DC converter, a power reservoir coupled between a second solar panel string and the DC voltage bus, wherein the power reservoir includes a second DC / DC converter, and an inverter coupled between the DC voltage bus and a power grid, wherein the inverter is configured to operate in multiple modes including a grid-forming (GFM) mode and a grid-following (GFL) mode, and wherein in the GFM mode, the second DC / DC converter is configured to regulate a voltage on the DC voltage bus.

The utility model discloses a kind of solar inverter coil processing support tool, it is related to coil processing tool technical field, including: operation platform;Coil support mechanism, the coil support mechanism is located operation platform top setting, the coil support mechanism is used to fix the inner shell of tubular coil;Coil guide mechanism, the coil guide mechanism is located operation platform top setting, the coil guide mechanism is used to guide and make coil single wire keep straight when coil processing;In the utility model, the unfolding amplitude of cross axle telescopic stand can be adjusted by rotating hand screw ring, the inner shell of tubular coil with different inner diameter can be quickly adapted, the radial self-adaptive fixation of outer support frame is realized, the processing demand of multiple specifications coil is satisfied, the V-shaped bending path formed by lower pressure roller and inner perforation is used in coil guide mechanism, copper wire resilience is limited using the double action of rolling friction and bending resistance, wire rod is always kept straight state, winding relaxation or unevenly coiled is avoided.

A solar battery system, method and interface module is provided. The system comprises: a vehicle battery assembly that has been removed from an electric vehicle; a solar inverter, coupled to one or more solar panels, and configured to power one or more electrical items; and a battery interface module, intermediate the control interface of the solar inverter and the battery management system of the vehicle battery assembly. The vehicle battery assembly including a plurality of cells and a battery management system. The solar inverter includes a DC battery output, coupled to the cells of the vehicle battery assembly, and a control interface, configured to send and receive control messages. The battery interface module is configured to receive messages from the control interface of the solar inverter in a first format, and send messages to the battery management system of the vehicle battery assembly in a second format and according to the received messages from the control interface of the solar inverter.

The utility model discloses a solar inverter with power transmission end replacement component, including organism and power transmission end replacement component. The inside of organism has internal circuit. Power transmission end replacement component is located in organism. Power transmission end replacement component is the first power transmission end replacement module or second power transmission end replacement module of replaceable. With quick connector cable can be connected in the first power transmission end replacement module and is electrically connected in the internal circuit of organism through the first power transmission end replacement module. Lock wire fixed type cable can be worn in the second power transmission end replacement module and is electrically connected in the internal circuit of organism, thereby can be compatible with different types of cable connection.

The utility model discloses an extensible solar inverter casing relates to inverter technical field, aims at the problem that solar inverter casing is not easy to expand internal space according to use demand, including inverter shell, the extensible casing of movable installation in inverter shell, the wiring group groove of opening in inverter shell and being used for wiring, the through slot of opening in inverter shell and the sliding slot of opening in inverter shell and being used for guiding the extensible casing, be provided with the extension mechanism for driving the extensible casing movement on inverter shell, the utility model discloses through the cap drive worm rotation, make the screw rod drive moving block movement, moving block drive the extensible casing movement, the volume of inverter shell is expanded, effectively avoided the problem that solar inverter casing is not easy to expand internal space according to use demand.

The utility model relates to inverter support technical field discloses a solar inverter mounting structure that can change installation angle, the mounting structure includes fixed chassis, adjusting assembly and connecting support, through the design of fixed chassis, adjusting assembly and connecting support constitute mounting structure, fixed chassis can be fixedly installed in the position that inverter needs to specify installation, and the inverter can be tightly installed on the connecting support, through the rotation of connecting support on fixed chassis, and then the installation angle of inverter is adjusted conveniently, and the setting of adjusting assembly is utilized, the stability of connecting support is guaranteed in the process of angle adjustment of connecting support, and then the stability of inverter in the process of angle adjustment is guaranteed, thereby the maintenance of inverter is convenient, and the angle adjustment of inverter can be carried out according to actual use condition and heat dissipation condition, and the use convenience of inverter is guaranteed.

A system includes a maximum power point tracker (MPPT), an energy storage device, and an inverter. The MPPT is coupled between a first solar panel string and a DC voltage bus, wherein the MPPT includes a first DC / DC converter and is configured to implement an MPPT control scheme on the first DC / DC converter. The energy storage device is coupled between a second solar panel string and the DC voltage bus, wherein the energy storage device includes a second DC / DC converter. The inverter is coupled between the DC voltage bus and the grid, wherein the inverter is configured to operate in multiple modes, including a grid-connected mode and a grid-following mode, and wherein in the grid-connected mode, the second DC / DC converter is configured to regulate the voltage on the DC voltage bus.

The present invention discloses a system and method for automatic isolation of a String Combiner Box (SCB) (104) from a solar inverter (108) in photovoltaic solar systems. The system comprises at least one solar panel string (102) configured to generate a DC output, an SCB (104) to consolidate the DC outputs, and a DC molded case circuit breaker (MCCB) (106) with an integrated shunt trip coil. The MCCB (106) is configured to trip automatically and isolate the SCB (104) upon receiving a tripping signal from an inverter control card (110) located in the solar inverter (108). The inverter control card (110) monitors for fault conditions, such as ground faults or short circuits, and transmits a tripping signal to activate the shunt trip coil in the MCCB (106). The system provides automated isolation of the SCB (104) from the solar inverter (108), enhancing safety and reliability in solar power systems.