CN219592000U - Compact type optimized simple maintenance high-voltage compensation cabinet - Google Patents

Abstract

The utility model provides a high-voltage compensation cabinet that simple and convenient maintenance is optimized to compact, includes: a breaker is connected between the bus power supply and the high-voltage capacitance compensator (10); the circuit breaker is a handcart type vacuum contactor (5); a connecting reactor (6) is connected between the handcart type vacuum contactor (5) and the high-voltage capacitance compensator (10); a discharge coil (8) is connected between the connecting reactor (6) and the high-voltage capacitance compensator (10). Through improving the cabinet body structure and designing the handcart structure of the vacuum circuit breaker and the bus baffle plate, the solid internal installation space is reasonably compressed, and the protection level in the cabinet is improved; the vacuum circuit breaker control of the draw-out handcart is utilized, the cabinet body and the components in the cabinet are overhauled conveniently and rapidly, and the operation safety of the vacuum contactor, the plurality of capacitors and the plurality of reactors is protected. And the cabinet body structure is improved in a simple and compact way while the maintenance convenience is improved. The internal space of the cabinet body 1 is reduced by 1/5 compared with the prior art after improvement, and the appearance of the equipment is more compact.

Description

Compact type optimized simple maintenance high-voltage compensation cabinet

Technical Field

The utility model belongs to high-voltage distribution equipment in the technical field of IPC (IPC) classification H02J power supply or distribution circuit devices, and particularly relates to a structure improvement technology of a high-voltage compensation cabinet device.

Background

At present, the high-voltage compensation cabinet is widely applied to high-power high-voltage motor equipment in industries such as metallurgy, mines, building materials, petrifaction, water supply and drainage and the like, runs in parallel with a motor, improves the power factor, reduces the line loss, saves the energy, stabilizes the voltage and improves the quality of a power grid.

The high-voltage compensation cabinet is an electrical device for adjusting the load power factor, and can improve the load power factor, reduce reactive power and improve the efficiency of power supply equipment. And has the functions of reducing network loss, saving energy and increasing the transmission capacity of the power grid.

The high-voltage compensation cabinet adjusts voltage to be a capacitive reactive power compensation device for reducing power grid loss. However, because the high-voltage compensation cabinet is large in size, the operation procedure is complex, the installation position is limited due to the influence of pressure resistance and electromagnetic interference, and the measuring point cannot be accurately positioned. The control loop can not be safely and timely cut off to protect equipment during maintenance, and response time is slow, so that maintenance is inconvenient.

Disclosure of Invention

The utility model aims to solve the technical problems that the existing high-voltage compensation cabinet occupies a large space and is inconvenient to overhaul.

Aiming at the problems and the technical requirements, the utility model provides the optimized and improved high-voltage compensation cabinet, which improves the maintenance convenience, simultaneously compactly and compactly improves the cabinet body structure, and effectively realizes the required research purpose and function.

Therefore, the embodiment of the utility model also provides a high-voltage compensation cabinet circuit, which comprises: a breaker is connected between the bus power supply and the high-voltage capacitance compensator 10;

wherein the circuit breaker is a handcart type vacuum contactor 5;

a connecting reactor 6 is connected between the handcart type vacuum contactor 5 and the high-voltage electric compensator 10;

a discharge coil 8 is connected between the connecting reactor 6 and the high-voltage power compensator 10;

the discharge coil 8 bypasses the parallel sensor 9;

alternatively, the discharge coil 8 bypasses the parallel arrester 7;

preferably, the discharge coil 8 bypasses and simultaneously connects the lightning arrester 7 and the sensor 9 in parallel respectively; the sensor 9 is connected in series with a capacitor;

the improved high-voltage compensation cabinet is optimized according to the high-voltage compensation cabinet circuit, a handcart room 14 is arranged in the cabinet body of the high-voltage compensation cabinet, and a handcart type vacuum contactor 5 is arranged in the handcart room 14; meanwhile, the utility model is further provided with: the reactor 6 is arranged in the lower part of the front side of the cabinet body 1, the handcart room 14 is arranged in the middle part of the front side of the cabinet body 1, and the handcart vacuum contactor 5 is arranged in the handcart room 14; a bus baffle 11 is arranged in the upper part of the rear side of the cabinet body 1; the high-voltage electric compensator 10 is arranged at the inner bottom in the lower part of the rear side of the cabinet body 1; a lightning arrester 7 and a discharge coil 8 are arranged in the middle of the inner rear side wall of the cabinet body 1; the sensor 9 is mounted on the top of the back side of the rear vertical wall of the handcart room 14.

In particular, the instrument panel 13 is installed on the upper side of the handcart room 14, that is, the front elevation of the upper part of the front side of the cabinet 1; the heddle module 4 is mounted on the dashboard 13.

In particular, a cart door 12 is installed at the front side of a cart compartment 14; a set of door locks 3 are mounted on the hand doors 12.

In particular, a bottom cabinet door 2 is installed at the front side of the reactor 6; another set of door locks 3 is mounted on the bottom door 2.

By adopting the technical scheme, the utility model achieves the aim of the utility model.

Compared with the prior art, the utility model has the beneficial effects that: through improving the cabinet body structure and designing the handcart structure of the vacuum circuit breaker and the bus baffle plate, the solid internal installation space is reasonably compressed, and the protection level in the cabinet is improved; the vacuum circuit breaker control of the draw-out handcart is utilized, the cabinet body and the components in the cabinet are overhauled conveniently and rapidly, and the operation safety of the vacuum contactor, the plurality of capacitors and the plurality of reactors is protected.

Drawings

The features and advantages of the present utility model will be more clearly understood by reference to the accompanying drawings, which are schematic and should not be interpreted as limiting the utility model in any way.

Fig. 1 is a schematic view of a front elevation structure of a cabinet in embodiment 1 of the present utility model.

Fig. 2 is a schematic view of the internal structure of the cabinet in embodiment 1 of the present utility model.

Fig. 3 is a schematic view of a rear elevation structure of a cabinet in embodiment 1 of the present utility model.

Fig. 4 is a schematic diagram of the principle of the high-voltage compensation cabinet in embodiment 1 of the present utility model.

The reference numerals include:

1-cabinet body, 2-bottom cabinet door, 3-door lock, 4-comprehensive protection module, 5-handcart type vacuum contactor, 6-reactor, 7-arrester, 8-discharge coil, 9-sensor, 10-high voltage capacitance compensator and 11-bus separator; 12-hand door, 13-instrument panel.

Detailed Description

The principle of the utility model is that the handcart room 14 and the handcart type vacuum contactor 5 are additionally matched, the relative installation positions of the reactor 6, the lightning arrester 7, the discharge coil 8, the sensor 9, the high-voltage capacitor compensator 10 and the bus baffle 11 are newly and optimally arranged, the safety requirements of operation, high-voltage arc light and the like are considered, the internal installation space of the cabinet body 1 is effectively reduced, the handcart type vacuum contactor 5 can be conveniently, smoothly, rapidly and safely switched between working, testing and withdrawing according to various requirements, and particularly, the circuit connection is conveniently and rapidly disconnected during maintenance, and the internal component device is checked and replaced under the premise of ensuring safety without interference.

The utility model is further described below with reference to the drawings and examples.

Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.

Example 1; referring to fig. 1, 2, 3 and 4, a contact terminal of a circuit breaker at the rear part of a vacuum contactor 5 in a handcart room 14 is connected with an upper power bus of a bus baffle 11 at the upper part of the rear side of a cabinet body; a lightning arrester 7 and a discharge coil 8 are arranged on the back side vertical wall of the cabinet body 1 below the bus bar baffle 11, and a sensor 9 is arranged on the back side of the bottom of the handcart room 14 below the bus bar baffle 11; the relative installation positions among the lightning arrester 7, the discharge coil 8 and the sensor 9 are compact, reasonable and safe; the high-voltage capacitance compensator 10 is installed at the bottom of the rear side in the cabinet body 1, and the reactor 6 is installed at the bottom in the cabinet body 1 at the lower side of the handcart type vacuum contactor 5, so that the handcart type vacuum contactor 5, the reactor 6, the high-voltage capacitance compensator 10 and the bus baffle 11 are uniformly arranged, thereby not only meeting the safety standard, but also greatly facilitating the installation and maintenance.

In the embodiment of the utility model, the other ends of the lightning arrester 7 and the sensor 9 are respectively grounded.

In the embodiment of the utility model, further, the instrument panel 13 on the cabinet body 1 is provided with a high-voltage electrified display. The door 12 is equipped with an electromagnetic lock and a viewing window, and has a forced locking function, ensuring the safety of maintenance personnel.

In the embodiment of the utility model, the capacitor is connected with the sensor (a capacitor connected in series is a full-film medium three-phase high-voltage power capacitor, a discharging element is arranged in the capacitor, so that the residual voltage can be reduced to below 50V within 5 minutes after the device is separated from a power grid, the capacitor adopts an environment-friendly high-stability impregnant, has higher discharge starting voltage, small humidity change, high reliability, small volume, light weight and long service life, and meanwhile, the capacitor adopts a high-voltage spray-type fuse as short-circuit protection, so that the safe operation of equipment is ensured.

In the embodiment of the utility model, the comprehensive protection module 4 comprises a comprehensive protection device which is connected in a circuit and plays a role in protecting abnormal conditions such as short circuit, open circuit, lack and the like of the circuit in the circuit. The automatic reset device has the overload overcurrent protection and temperature overheat protection functions no matter the manual reset or the automatic reset is adopted, so that the double protection effect on the electrical equipment is achieved, and the electrical equipment is safer in power consumption.

In the embodiment of the utility model, the high-voltage compensation cabinet is improved by the following steps:

1) The original fixed vacuum contactor is improved and designed to be an extractable handcart type vacuum contactor 5, so that conditions are created for overcoming the defect of inconvenient maintenance;

2) The bus baffle 11 is added, the protection level in the cabinet is improved, and when the handcart type vacuum contactor 5 is pulled out, the electrified body cannot be contacted in the cabinet body 1, so that the safety maintenance is facilitated;

3) By compressing the internal space of the cabinet 1, the improved cabinet 1 is reduced by 1/5 as compared with the prior art.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly attached, detachably attached, or integrally attached.

The present utility model will be described in further detail with reference to the above examples, and it should be noted that the present utility model is not limited thereto. It will be readily apparent to those skilled in the art that numerous simple deductions or substitutions may be made without departing from the general inventive concept and scope of the utility model as defined in the appended claims.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While obvious variations or modifications are contemplated as falling within the scope of the present utility model. The research team of the company compares and researches the products on the current market, and finally designs a new product with various advantages, thereby bringing high cost performance to customers.

Claims (6)

1. Compact high-voltage compensation cabinet that simple and convenient maintenance is optimized, its characterized in that includes: a breaker is connected between the bus power supply and the high-voltage capacitance compensator (10);

the circuit breaker is a handcart type vacuum contactor (5);

a connecting reactor (6) is connected between the handcart type vacuum contactor (5) and the high-voltage capacitance compensator (10);

a discharge coil (8) is connected between the connecting reactor (6) and the high-voltage capacitance compensator (10);

the discharge coil (8) bypasses the parallel sensor (9);

the bypass of the discharge coil (8) is respectively connected with the lightning arrester (7) and the sensor (9) in parallel;

a handcart room (14) is arranged in the cabinet body of the high-voltage compensation cabinet, and a handcart type vacuum contactor (5) is arranged in the handcart room (14);

a reactor (6) is arranged in the lower part of the front side of the cabinet body (1), a handcart room (14) is arranged in the middle part of the front side of the cabinet body (1), and a handcart type vacuum contactor (5) is arranged in the handcart room (14); a bus baffle (11) is arranged in the upper part of the rear side of the cabinet body (1); a high-voltage power compensator (10) is arranged at the inner bottom of the lower part of the rear side of the cabinet body (1); a lightning arrester (7) and a discharge coil (8) are arranged in the middle of the inner rear side wall of the cabinet body (1); a sensor (9) is arranged on the top of the back side vertical wall of the handcart room (14).

2. The compact optimized easy-to-overhaul high-voltage compensation cabinet according to claim 1, characterized in that the sensor (9) is connected in series with a capacitor.

3. The compact optimized easy-to-overhaul high-voltage compensation cabinet according to claim 1, characterized in that an instrument board (13) is installed on the upper side of the handcart room (14), namely, the front elevation of the upper part of the front side of the cabinet body (1); and installing a comprehensive protection module (4) on the instrument board (13).

4. The compact optimized easy-to-service high voltage compensation cabinet of claim 1, wherein a hand door (12) is installed on the front side of the hand compartment (14).

5. The compact optimized easy-to-overhaul high-voltage compensation cabinet according to claim 4, characterized in that a bottom cabinet door (2) is installed at the front side of the reactor (6).

6. The compact optimized easy-to-overhaul high-voltage compensation cabinet according to claim 5, characterized in that a group of door locks (3) are installed on the handcart door (12); the other group of door locks (3) are arranged on the bottom cabinet door (2).