CN206023365U - A kind of combination generator on JP cabinets - Google Patents

Abstract

A combined power generating device used on a JP cabinet relates to the technical field of power transmission and distribution, in particular to a combined power generating device used on a JP cabinet. The utility model solves the problem that the existing JP cabinet consumes electric energy and has heat dissipation. A combined power generation device used on the JP cabinet, including solar cell components, wind power generation components, charge and discharge control devices and sealed maintenance-free lead-acid batteries. The solar cell components are installed on the top of the JP cabinet to replace the original stainless steel upper cover. The power generation components are set at the rear of the JP cabinet, the charge and discharge control device and the sealed maintenance-free lead-acid battery are set inside the JP cabinet, and the solar cell components and wind power generation components are connected to the sealed maintenance-free lead-acid battery through the charge and discharge controller . The utility model is applied in the technical field of power transmission and distribution.

Description

A Combined Power Generation Device Used on JP Cabinet

technical field

The utility model relates to the technical field of power transmission and distribution, in particular to a combined power generation device used on a JP cabinet.

Background technique

The integrated power distribution cabinet of distribution transformer is referred to as JP cabinet for short. The JP cabinet is installed at the output end of the transformer. It is an integrated outdoor low-voltage distribution box with functions such as metering, measurement, control, protection, power distribution, and dynamic reactive power compensation. Widely used in substations, factories, industrial and mining enterprises, large power plants, petroleum and chemical enterprises, large steel mills, high-rise building power centers, reactive power compensation, metering, power distribution and other occasions.

The existing JP cabinet is divided into main incoming line switch room, metering room, reactive power compensation room and outgoing line terminal distribution room, and each room is relatively independent.

The switch room of the main incoming line mainly includes a molded case circuit breaker or a circuit breaker with an electric operating mechanism; the power distribution room at the outgoing line end is equipped with a residual current action circuit breaker, and the outgoing line switch can be configured in multiple ways; the total compensation capacity of the reactive power compensation room is The percentage configuration of the total capacity of the transformer adopts the automatic compensation scheme of separate compensation + common compensation, and generally uses composite switch switching capacitors; the metering room mainly includes electric energy meters, distribution transformer terminals or collection terminals, secondary junction boxes and metering transformers.

The technical shortcomings and deficiencies of existing JP cabinets,

As an important equipment in the power distribution link, the JP cabinet has added a lot of switches, protection devices, metering devices and collection and transmission devices in order to ensure the reliability of power supply. These devices must obtain power from the power line to work, and they themselves consume power. , is an important component of line loss, and currently there is no solution to the problem of JP cabinets in this regard;

The traditional JP cabinet is designed with stainless steel structure, which can prevent rain, dust, theft, leakage, lightning, and electromagnetic interference. It has high strength and is not easy to deform. However, due to the small thermal conductivity of stainless steel at room temperature, there is a problem of poor heat dissipation. , there must be a large number of cooling holes on the back or side of the JP cabinet. Flying insects and dust will inevitably enter the JP cabinet through these cooling holes, causing the accumulation of dirt, and even blocking the cooling holes, which will eventually affect the performance of the JP cabinet. normal operation.

In order to solve the above-mentioned shortcomings and deficiencies of the JP cabinet, it is necessary to find a device that can not only provide power input to the JP cabinet, but also solve the poor heat dissipation effect of the JP cabinet. At present, the development and utilization of clean energy, which does not discharge pollutants and is renewable, is increasingly valued by the state, and photovoltaic power generation and wind power generation are the first choice among clean energy sources. Based on the above reasons, the utility model proposes a Combined power generation unit on the cabinet.

Utility model content

In order to solve the problem that the existing JP cabinet consumes electric energy and has poor heat dissipation, the utility model proposes a combined power generation device used on the JP cabinet.

A combined power generation device for JP cabinets, including solar cell components, wind power generation components, charge and discharge controllers and sealed maintenance-free lead-acid batteries. The solar cell components are installed on the top of the JP cabinet to replace the original stainless steel upper cover. The power generation components are set at the rear of the JP cabinet, the charge and discharge controller and the sealed maintenance-free lead-acid battery are set inside the JP cabinet, and the solar cell components and wind power generation components are connected to the sealed maintenance-free lead-acid battery through the charge and discharge controller ;A wind-solar hybrid controller is installed between the solar cell module, the wind power generation module and the charge and discharge controller; the output end of the sealed maintenance-free lead-acid battery is connected to the inverter with protection through the charge and discharge controller The AC output end of the battery is connected to the load in the cabinet and the user load at the same time; the output end of the sealed maintenance-free lead-acid battery is also connected to the user's distributed power inverter through the charge and discharge controller, and the AC output end of the user's distributed power inverter is passed through The booster system is connected to the high voltage grid.

The utility model comprises the following beneficial effects:

1. Through solar cell components, wind power generation components, charge and discharge controllers and sealed maintenance-free lead-acid batteries, the JP cabinet has renewable and non-polluting self-contained energy, which can not only measure the loads and total loads in the JP cabinet. In addition to providing DC power for each load in the line switch room, each load in the reactive power compensation room and each load in the power distribution room at the outlet end, it can also provide DC power to users around the JP cabinet;

2. The upper cover of the JP cabinet uses solar cell components. Since the thermal conductivity of the main structure of the solar cell component, the silicon plate, is much greater than that of stainless steel, the heat dissipation capacity of the JP cabinet is enhanced; the rear of the JP cabinet is equipped with wind power generation components. When rotating, it will promote the circulation of air, transfer the heat generated in the JP cabinet in time, and further enhance the heat dissipation capacity of the JP cabinet, thereby eliminating the hidden danger of excessive temperature inside the closed JP metal cabinet;

3. The JP cabinet is equipped with a combined power generation device, which has a good heat dissipation effect, and there is no need to open a large number of cooling holes on the back or side, so flying insects and dust cannot enter, and the internal environment of the JP cabinet is improved.

Description of drawings

Fig. 1 is a schematic diagram of the work flow of a combined power generating device used on a JP cabinet described in Embodiment 1;

Fig. 2 is a schematic diagram of the work flow of a combined power generation device used on a JP cabinet described in Embodiment 4;

Fig. 3 is a schematic diagram of the work flow of a combined power generation device used on a JP cabinet described in Embodiment 5;

Fig. 4 is a schematic diagram of the work flow of a combined power generation device used on a JP cabinet described in Embodiment 6.

detailed description

In order to make the above objects, features and advantages of the present invention more obvious and comprehensible, the present invention will be further described in detail below in conjunction with FIGS. 1 to 4 and specific embodiments.

Specific Embodiments 1. A combined power generation device for JP cabinets described in this embodiment includes solar cell components, wind power generation components, charge and discharge controllers, and sealed maintenance-free lead-acid batteries. The solar cell components are arranged in JP The top of the cabinet replaces the original stainless steel upper cover. The wind power generation components are set at the rear of the JP cabinet. The charge and discharge controller and the sealed maintenance-free lead-acid battery are set inside the JP cabinet. The solar cell components and wind power generation components are charged and discharged. The controller is connected with the sealed maintenance-free lead-acid battery.

Fig. 1 is a schematic diagram of the work flow of a combined power generation device used on a JP cabinet according to the first embodiment.

This embodiment includes the following beneficial effects:

1. Through solar cell components, wind power generation components, charge and discharge controllers and sealed maintenance-free lead-acid batteries, the JP cabinet has renewable and non-polluting self-contained energy, which can not only measure the loads and total loads in the JP cabinet. In addition to providing DC power for each load in the line switch room, each load in the reactive power compensation room and each load in the power distribution room at the outlet end, it can also provide DC power to users around the JP cabinet;

2. The upper cover of the JP cabinet is designed as a solar battery module. Since the thermal conductivity of the solar battery module is much greater than that of stainless steel, the heat dissipation capacity of the JP cabinet is enhanced; the rear of the JP cabinet is equipped with a wind power generation module. When the blades rotate, they will Promote the circulation of air, transfer the heat generated in the JP cabinet in time, and further enhance the heat dissipation capacity of the JP cabinet, thereby eliminating the hidden danger of excessive temperature inside the closed JP metal cabinet;

3. The JP cabinet is equipped with a combined power generation device, which solves the problem of heat dissipation. There is no need to open a large number of cooling holes on the back or side, so flying insects and dust cannot enter, and the environment inside the JP cabinet is improved.

Specific embodiment 2. This embodiment is a further description of the combined power generation device used on the JP cabinet described in the specific embodiment 1. The upper cover of the JP cabinet is a solar cell module, and its main structure is a solar cell panel. Composed of single crystal silicon.

Generally, monocrystalline silicon, polycrystalline silicon and amorphous silicon can be used for solar panels, and the selection of monocrystalline silicon panels can improve photovoltaic conversion efficiency.

Specific embodiment 3. This embodiment is a further description of the combined power generation device used on the JP cabinet described in the specific embodiment 1. The upper cover of the JP cabinet is a solar cell module, and its main structure is a solar cell panel. Composed of polysilicon.

The use of polysilicon panels, although the photovoltaic conversion efficiency is not high, greatly reduces the cost of materials.

Embodiment 4. The difference between this embodiment and Embodiment 1 is that a wind-solar hybrid controller is installed between the solar cell module, the wind power generation module, and the charging and discharging controller. Other structures and connections are the same as Embodiment 1. See Figure 2.

The wind-solar hybrid controller can select solar cell components or wind power generation components as the main power supply for the sealed maintenance-free lead-acid battery according to the actual situation, so as to ensure the stability of power supply and prolong the service life of the lead-acid battery.

Embodiment 5. This embodiment differs from Embodiment 4 in that: the output terminal of the charge-discharge controller is connected to a protective inverter, and other structures and connections are the same as Embodiment 4, see FIG. 3 .

Through the inverter with protection, the combined power generation device used on the JP cabinet can measure to the JP cabinet the loads in the room, the loads in the main incoming line switch room, the loads in the reactive power compensation room, and the loads in the JP cabinet in the power distribution room at the outlet end. Provide AC power to users around the JP cabinet, and the inverter with protection can adjust the output voltage and frequency to prevent damage to electrical equipment.

Embodiment 6. The difference between this embodiment and Embodiment 5 is that: the output terminal of the charge-discharge controller and the high-voltage power grid are connected to the user's distributed power inverter and booster system, and other structures and connection relationships are related to the specific implementation The fifth method is the same, as shown in Figure 4.

Under the condition of meeting the load of each room in the JP cabinet and the power consumption demand of users around the JP cabinet, the remaining electricity generated by the combined power generation device on the JP cabinet can be supplied to the transmission network through the user's distributed power inverter and booster system .

Claims (3)

1. A combined power generating device used on the JP cabinet, characterized in that it includes solar cell components, wind power generation components, charge and discharge controllers and sealed maintenance-free lead-acid batteries, and the solar cell components are arranged on the top of the JP cabinet to replace the original The stainless steel upper cover, the wind power generation component is set at the rear of the JP cabinet, the charge and discharge controller and the sealed maintenance-free lead-acid battery are set inside the JP cabinet, the solar cell component and the wind power generation component are connected by the charge and discharge controller and the sealed type Maintenance-free lead-acid battery connection; A wind-solar complementary controller is installed between the solar cell module, the wind power generation module and the charging and discharging controller; The output end of the sealed maintenance-free lead-acid battery is connected to the inverter with protection through the charge and discharge controller, and the AC output end of the inverter with protection is connected to the load in the cabinet and the user load at the same time; The output end of the sealed maintenance-free lead-acid battery is also connected to the user's distributed power inverter through the charge and discharge controller, and the AC output end of the user's distributed power inverter is connected to the high-voltage power grid through the booster system. 2. A combined power generation device for use on a JP cabinet as claimed in claim 1, wherein the upper cover of the JP cabinet is a solar cell module, and its main structure is a solar cell panel, which is composed of monocrystalline silicon. 3. A combined power generation device for use on a JP cabinet as claimed in claim 1, wherein the upper cover of the JP cabinet is a solar cell module, and its main structure is a solar cell panel, which is composed of polysilicon.