CN203119309U - GGD type low-voltage alternating current power distribution cabinet - Google Patents

Abstract

A GGD-type low-voltage AC power distribution cabinet, which is composed of four GGD-type power distribution cabinets in sequence, the power receiving metering cabinet, the main contact cabinet, the automatic compensation cabinet and the feeder outlet cabinet. The power receiving metering cabinet is composed of upper, middle and lower parts. The rest of the power distribution cabinets have a structure of upper and lower parts, which is characterized in that there are windows on the front and back of the middle part of the power receiving metering cabinet, and a first rotary open knife switch operation hole is set above the front window of the power receiving metering cabinet; The first instrument group is installed when the door is opened, and the second rotary opening knife switch operation hole is set on the front single door of the lower part of the contact main cabinet; the second instrument group is assembled on the upper single door of the front of the automatic compensation cabinet, and the third rotary is set on the lower single door of the automatic compensation cabinet Open knife switch operation hole; the upper single door of the feeder outlet cabinet is provided with the third instrument group, and the lower single door of the feeder outlet cabinet is provided with the fourth rotary open knife switch operation hole; the electrical components in the four power distribution cabinets pass through the bus row or cable electrical connection. The utility model has high dynamic and thermal stability, safety and practicability.

Description

A GGD type low-voltage AC power distribution cabinet

technical field

The utility model relates to the technical field of low-voltage electrical complete sets of equipment, in particular to a GGD type low-voltage AC power distribution cabinet.

Background technique

GGD low-voltage AC power distribution cabinets are widely used in power plants, substations, factories and mines and other power users, as power, lighting and power distribution in power distribution systems with AC 50-60Hz, rated working voltage 380V, and rated working current up to 3150A. It is used for power conversion, distribution and control of equipment. Most of the existing products on the market have the characteristics of flexible electrical schemes, convenient combination, and strong versatility, but they may not be the most professional, economical, safest and most practical GGD distribution cabinets. The new GGD type low-voltage AC power distribution cabinet designed by our company based on the principles of professionalism, reasonableness, economy and safety not only has the advantages of conventional GGD type cabinets, but also has the characteristics of novel structure, strong professionalism, and high breaking capacity. Therefore, its dynamic and thermal stability, safety and practicability are higher.

Contents of the invention

The utility model combines the existing GGD type power distribution cabinet technology to develop a GGD type low-voltage AC power distribution cabinet.

The utility model is composed of four GGD type power distribution cabinets in sequence, the power receiving metering cabinet, the main contact cabinet, the automatic compensation cabinet and the feeder outlet cabinet. The upper and lower parts of the structure, the front and bottom of each power distribution cabinet are equipped with cooling slot holes, the upper single door on the back of each power distribution cabinet is equipped with cooling slots, and the bottom of each power distribution cabinet is equipped with double doors. There are windows on the front and back single doors in the middle of the power receiving metering cabinet, and the first rotary open knife switch operation hole is set above the front window of the power receiving metering cabinet; Two operation buttons, one voltage switching knob, and a second rotary open knife switch operation hole on the front single door of the lower part of the contact main cabinet; the upper single door of the automatic compensation cabinet is equipped with the second instrument group, six indicator lights, one Power automatic compensation controller and one-hand self-switching knob, the third rotary open knife switch operation hole is set on the lower single door of the automatic compensation cabinet; the third instrument group and four indicator lights are set on the upper single door of the feeder outlet cabinet, The fourth rotary opening knife switch operating hole is provided on the single door at the bottom of the power outlet cabinet; the electrical components in the four power distribution cabinets are electrically connected through busbars or cables.

The first instrument group includes three ammeters, a power factor meter and a voltmeter.

The second instrument group includes three ammeters.

The third instrument group includes four ammeters.

There are two operating holes for the fourth rotary open type knife switch.

The utility model has four GGD type power distribution cabinets with 8MF profiles as the skeleton. In a specific embodiment, one electric energy meter, three current transformers, one rotary open knife switch and one open knife are installed in the electric metering cabinet. One switch and three molded case circuit breakers; one rotary open knife switch, one universal air circuit breaker and four current transformers are installed in the main contact cabinet; one rotary open knife switch is installed in the automatic compensation cabinet, Three current transformers, six molded case circuit breakers, six AC contactors and six capacitors; two rotary open knife switches, four molded case circuit breakers, and four current transformers are installed in the feeder outlet cabinet; All electrical components are electrically connected through busbars or cables.

The beneficial effects of the utility model are: elegant appearance, scientific and reasonable layout, novel structure, strong professionalism, high breaking capacity, etc., especially higher dynamic and thermal stability, safety and practicability.

Description of drawings

Fig. 1 is a schematic diagram of the front structure of the utility model.

FIG. 2 is a partially enlarged schematic diagram of FIG. 1 .

Fig. 3 is a schematic diagram of the back structure of the utility model.

Fig. 4 is a main connection diagram of the utility model.

Detailed ways

In conjunction with Fig. 1～Fig. 4, the specific embodiment of the utility model is described as follows:

A GGD-type low-voltage AC power distribution cabinet, which is composed of four GGD-type power distribution cabinets in sequence: a power receiving metering cabinet 100, a main contact cabinet 200, an automatic compensation cabinet 300, and a feeder outlet cabinet 400. The power receiving metering cabinet 100 is the upper and lower The middle and lower three-part structure, and the rest of the power distribution cabinets are two parts of the upper and lower parts. The front and bottom of each power distribution cabinet are equipped with cooling slots orifice plates 140 (230, 330, 430), and the upper single door on the back of each power distribution cabinet is 150 (240 , 340, 440) are provided with cooling slots 151 (241, 341, 441), and the bottom of each power distribution cabinet is provided with cooling slots 171 (251, 351, 451) at the bottom of the double-sided doors 170 (250, 350, 450). It is characterized in that the front and back single doors 120 and 160 in the middle of the power receiving metering cabinet 100 are equipped with windows, and the first rotary opening knife switch operation hole 121 is arranged above the front viewing window 122 of the power receiving metering cabinet 100; Assemble the first instrument group 210, three indicator lights 214, two operation buttons 215, and one voltage switching knob 216, and set up a second rotary open knife switch operation hole 221 on the front single door 220 of the lower part of the communication main cabinet 200; automatic compensation The upper single door on the front of the cabinet 300 is equipped with the second instrument group 310, six indicator lights 312, one power automatic compensation controller 313 and one hand self-switching knob 314, and the lower single door 320 of the automatic compensation cabinet 300 is provided with a third rotary opening Type knife switch operating hole 321; the upper single door of the feed outlet cabinet 400 is provided with a third instrument group 410 and four indicator lights 412, and the fourth rotary open knife switch operation hole 421 is set on the lower single door 420 of the feed outlet cabinet 400; The electrical components in the four distribution cabinets are electrically connected through busbars or cables.

The first instrument group 210 includes three ammeters 211 , a power factor meter 213 and a voltmeter 212 .

The second instrument group 310 includes three ammeters 311 .

The third instrument group 410 includes four ammeters 411 .

There are two fourth rotary open knife switch operating holes 421 .

The utility model has four GGD type power distribution cabinets with 8MF profiles as the skeleton. In this specific embodiment, one electric energy meter, three current transformers, one rotary open knife switch, and open knife One switch and three molded case circuit breakers; one rotary open knife switch, one universal air circuit breaker and four current transformers are installed in the main contact cabinet; one rotary open knife switch is installed in the automatic compensation cabinet, Three current transformers, six molded case circuit breakers, six AC contactors and six capacitors; two rotary open knife switches, four molded case circuit breakers, and four current transformers are installed in the feeder outlet cabinet; All electrical components are electrically connected through busbars or cables. (See Figure 4 for the primary main wiring diagram).

Claims (5)

1. A GGD-type low-voltage AC power distribution cabinet, which is composed of four GGD-type power distribution cabinets in sequence, the power receiving metering cabinet, the main contact cabinet, the automatic compensation cabinet and the feeder outlet cabinet, and the power receiving metering cabinets are upper, middle and lower. Three-part structure, the rest of the power distribution cabinets are upper and lower two-part structure, each power distribution cabinet is equipped with a heat dissipation slot orifice plate at the front and bottom, each power distribution cabinet is equipped with a heat dissipation slot on the upper single door at the back, and each power distribution cabinet has double double doors at the bottom There are cooling slots at the bottom, and the feature is that there are windows on the front and back single doors in the middle of the power receiving metering cabinet, and the first rotary open knife switch operation hole is set above the front window of the power receiving metering cabinet; One meter group, three indicator lights, two operation buttons, one voltage switching knob, and a second rotary open knife switch operation hole on the front single door at the lower part of the contact main cabinet; the second instrument is equipped with the upper single door at the front of the automatic compensation cabinet group, six indicator lights, one power automatic compensation controller and one hand self-switching knob, the third rotary open knife switch operation hole is set on the lower single door of the automatic compensation cabinet; The instrument group and four indicator lights, the fourth rotary opening knife switch operation hole is set on the single door at the bottom of the feeder outlet cabinet; the electrical components in the four power distribution cabinets are electrically connected through busbars or cables. 2. The GGD type low-voltage AC power distribution cabinet according to claim 1, wherein the first instrument group includes three ammeters, a power factor meter and a voltmeter. 3. The GGD type low-voltage AC power distribution cabinet according to claim 1, wherein the second instrument group includes three ammeters. 4. The GGD type low-voltage AC power distribution cabinet according to claim 1, characterized in that the third instrument group includes four ammeters. 5. The GGD type low-voltage AC power distribution cabinet according to claim 1, characterized in that there are two operating holes for the fourth rotary open knife switch.

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