High voltage switchgear standard introduction

The composition of high-voltage switchgear is very complex, for us high-voltage switchgear is also very strange, its role is mainly used to control the voltage, the main role is to control the high voltage, it has the function of automatic switching, automatic power transmission and disconnection. Its scope of use is also particularly wide, mainly used in the electric power industry, such as power stations, power plants, there is also used in heavy industry. High-voltage switchgear composition is complex, the function is also particularly high, so its standards are also very high, so the rabbit for its standards, it is necessary for you to carefully introduce some.

3-10KV high-voltage switchgear 1, KYN series indoor AC metal-clad shifting switchgear:

KYN indoor AC metal-clad shifting switchgear (referred to as trolley cabinets) is based on the "3-35KV AC metal-enclosed switchgear," according to the IEC298 "AC metal-enclosed switchgear and control equipment," standard design and manufacture, and at the same time, can also be used to At the same time, it can also meet the requirements of the Ministry of Water and Electricity that the high-voltage switchgear cabinet should have the function of "five-proof".

Middle and high-grade mainstream cabinet type, mainly commonly used in the following specifications. A, KYN-10 indoor AC metal-clad transfer switchgear (referred to as trolley cabinets) trolley cabinets are suitable for AC 50Hz rated voltage of 3-10KV center point is not grounded single busbar and single busbar segmentation system of indoor complete power distribution equipment for all types of power plants, substations and industrial and mining enterprises as a receiving and distribution network. Industrial and mining enterprises as the acceptance and distribution of network power on the circuit control protection monitoring.

B, KYN-(F-C) indoor armored double-layer move-open type AC metal-enclosed switch is a kind of double-layer armored F-C cabinet, a switchgear cabinet can accommodate two F-C trolleys, equivalent to the function of two single-layer cabinets, and covers an area of the same side of the single-layer cabinets is almost the same. It saves a lot of floor space and equipment investment for users. The vacuum contactor used in this product is specially designed for double-deck cabinet structure, with simple structure, small volume, beautiful shape, high insulation level, long life and other advantages, there are two kinds of structure of electric keep and mechanical locking.

C, KYN-12/1250-31.5 indoor armored open type a.c. metal-enclosed switchgear, the cabinet is armored structure, adopts the middle arrangement, divided into disconnecting room, main bus room, cable room and relay instrumentation room, in order to make the cabinet has the ability to withstand the internal fault arc, in addition to the relay room, the various functions of compartments are equipped with venting channel and sinking pressure window, the primary contact is a bundled round contact. The primary contacts are bundled round contacts. The switching high reserve can adopt the front maintenance type structure according to the user's requirements, so that the equipment can be installed against the wall or back to back. The switchgear is equipped with safe and reliable interlocking devices, which fully meets the requirements of "five-proof" interlocking.

D, KYN28A-12 type metal armored switchgear, 3.6-12KV three-phase AC 50Hz single busbar and busbar sectionalized system of complete sets of devices. Mainly used for power stations, small and medium-sized generator power supply, industrial and mining enterprises and utilities power distribution as well as the electrical system of the secondary substation power conversion, power supply and large-scale high-voltage motor starting and other control and protection, monitoring purposes.

2, XGN box-type fixed metal-enclosed switchgear is mainly used for voltage 3KV, 6KV, 10KV, frequency of 50HZ, three-phase alternating current (AC) power system in the acceptance and distribution of electricity. The system has reliable "five-proof" locking function and reliable performance. Low and medium grade mainstream cabinet type.

XGN15-12 type ring network cabinet adopts metal-enclosed box structure, the main switch and the cabinet are fixed installation, the main circuit system compartments have pressure release device and channel, the compartments are reliable grounding, and closed perfect, the shell protection level reaches IP3X. switch room is equipped with FL (R) N36-12D type three-position load switch.

XGN2-10 box-type fixed AC metal-enclosed switchgear (referred to as switchgear) is used for 3.6KV, 10KV three-phase AC 50Hz system as the acceptance and distribution of electrical energy for indoor power distribution equipment, with the control of the circuit protection and monitoring functions. The bus system is single bus and single bus with bypass bus, and can be derived from the double bus structure.

3, GG-1A (F) series: GG-1A high-voltage switchgear is a fixed type, used in industrial and mining enterprises, transformer, distribution substations, AC 50HZ, 3-10KV, three-phase single busbar system, receiving and distributing electrical energy.GG-1A (F) error-proof high-voltage switchgear system is a fixed-type high-voltage switchgear with an error-proof device, suitable for AC 50HZ, rated voltage of 3.6 KV, 10KV. 3.6 KV, 10KV, rated current up to 1000A, rated breaking current up to 31.5kA single busbar system as the acceptance or distribution of power indoor sets of high-voltage distribution equipment, the cabinet spacious body, large internal space, reasonable clearance, safety, with installation, easy maintenance, reliable operation and other characteristics, the main circuit program is complete to meet the needs of a variety of power supply and distribution systems.

4, HXGN-10 high-voltage switchgear (referred to as ring network cabinet), is a three-phase AC rated voltage of 10kV, rated frequency of 50Hz indoor box-type AC metal-enclosed switchgear. Suitable for factories, workshops, residential neighborhoods, high-rise buildings and other places in the power distribution system, the ring network power supply or dual power amplitude power supply system, acceptance, distribution and protection, but also in the box-type substation.

5, JYN series: 1. JYN1-40.5 type interval type AC metal-enclosed switchgear is a three-phase AC 50Hz single busbar system indoor complete set of devices, as the acceptance and distribution of 40.5kV network power. This switchgear has the functions of preventing misoperation of circuit breaker, preventing pushing and pulling trolley with load, preventing hanging ground wire with electricity, preventing sending electricity with ground and preventing entering into charged interval by mistake (referred to as "five prevention").

2. JYN2-10 type move-open AC metal switchgear (hereinafter referred to as switchgear) is used for AC 50Hz rated voltage 3-10kV single busbar system. Its rated current is up to 2500A, rated breaking current and plant power to 31.5kA, as a power plant substation control generator, substation power, feeder and plant power of the main cabinet, but also for the industrial and mining enterprises for the large-scale AC high-voltage motor starting and protection purposes.

3.JYN -3 (F), 6 (F) type double layer trolley type high voltage switchgear This product has the advantages of reasonable structural design, good protection performance, strong breaking capacity, good dynamic and thermal stability, interchangeability, safe and convenient use and maintenance, etc. It is suitable for the power plant, substation, factory and mining enterprises, electrical room, high-rise buildings, and other indoor places of the non-mainstream high-voltage cabinets:

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1, GR series 1) GR-1 type for the general type, by the capacitor cabinet and transformer cabinet. The capacitor cabinet is divided into four programs, and the transformer cabinet is divided into three programs. 2) GR-1C type for the cross-differential protection type, that is, when the cabinet of a capacitor trip, relying on the current transformer connected to the cross-differential line to drive the main circuit switch trip. This type also has four programs. 3) GR-1Y type for the inhibition of high harmonics, reactor type, that is, with series reactor capacitor bank.

2, GGX2 series: GGX2-10 high-voltage vacuum switchgear is suitable for rated voltage 3 ~ 10kV, frequency 50Hz three-phase alternating current grid, as the acceptance and distribution of electrical energy, and the circuit to implement the control, monitoring and protection of the complete set of power distribution equipment.

3, GSG series GSG - 1A type double busbar high-voltage switchgear is suitable for regional substations, large industrial and mining enterprises substations and electrical equipment testing station voltage 3, 6, 10kV, AC 50Hz double busbar system, can also be used in single busbar power supply system with a bypass bus, as the acceptance and distribution of electrical energy.

4, GPG series GPG-1A bypass bus type high-voltage switchgear is suitable for regional substations, large industrial and mining enterprises substations in the 6, 10kV line, as the power receiving and feeding.

Electricity for us is essential to life, it can be said that without the power supply we will not be able to live a normal life, so pay attention to the standard of high-voltage switchgear and its function is very necessary. High-voltage switchgear is widely used in power plants, that is to say, if it breaks down, then the power plant is paralyzed, which can be seen its importance. According to the rabbit's introduction, I do not know whether you have a clear understanding of the standard of high-voltage switchgear.