Products
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High voltage distribution cabinet KYN28-12
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GGD stationary cabinet 1600-4000A
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Opening and closing external intelligent station
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High voltage distribution cabinet KYN61-40.5
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YBW-12 Prevented YBW-24 substation (European substation)
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Complete low -voltage equipment GCS
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Complete low -voltage equipment PZ30
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Power transformer S20
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Inflatable annular network cabinet
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Complete low-voltage equipment MNS 1600-4000a
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GGD stationary cabinet 600-1500A
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Distribution box for mining pdk
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Complete low -voltage equipment JXF
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High voltage distribution cabinet HXGN15-12
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Combined substation ZBW-12 (American box transformer)
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Complete low-voltage equipment MNS 4000-6300A
GKG-12 high voltage
The cabinet is usually made of a high-quality steel plate with an aluminum-cycle coating by processing, which has high mechanical strength and good anti-corrosion and antioxidant properties. Thanks to this material and the process, the cabinet is able to adapt to the relatively harsh conditions of the mine.
Description
marker
Basic information
1. Continurated voltage: rated voltage of 6 kV or 10 kV (ordinary), the highest voltage can be 12 kV.
2. Nonomal frequency: 50 Hz, which is a standard operating frequency of our energy system.
Structural composition
The structure of the cabinet
The cabinet is usually made of a high-quality steel plate with an aluminum-cycle coating by processing, which has high mechanical strength and good anti-corrosion and antioxidant properties. Thanks to this material and the process, the cabinet is able to adapt to the relatively harsh conditions of the mine
Separation of compartments
1. Division of a manual trolley: used to install sliding hand carts, which are usually equipped with the main components, such as circuit breakers. A hand trolley can flexibly move between the working and test position to facilitate the capital and current repair of equipment. The metal hatch is installed on the rear wall of the cart room, the hatch opens and closes automatically when the trolley moves, which prevents the operator’s touch to the electrified body.
2. The installation of prefabricated tires: is used to install the main tires, and the openings in the left and right side walls are used to install the insulating casing of the tires, which shares the premises of prefabricated tires between each equipment and avoids the influence of malfunctions on neighboring distribution cabinets.
3. Cable room: used to install a current transformer, grounding, lightning rod and other related components and cables.
4. Primber room: used to install all types of components of relay protection, devices and other secondary equipment, with a secondary small bus at the top to implement monitoring, control and protection of the chain.
Operational characteristics
Electric characteristics
1. Minomal current: General nominal currents 50A, 75A, 100A, 150A, 200A and other specifications that can satisfy the needs of various loads.
2. Covering ability with a short circuit: it has a strong disconnecting ability during short circuit, and the rated current of short circuit is usually at 16ka, 20ka, 25ka, 31.5ka, etc., which is able to effectively remove the short circuit current and protect the safety of the power supply system
Defense characteristics
The shell protection class, as a rule, IP54, with good dust resistance, water resistance and the ability to withstand penetration, can ensure the normal operation of equipment in harsh conditions of the mining industry
Blocking function
A reliable blocking device with errors that meet the requirements of “Five-Proof”, i.e. To prevent pushing and stretching the cart of the circuit breaker with a load, to prevent an erroneous opening and closing of the circuit breaker, to prevent the circuit breaker closing, when the ground switch is in the closed position to prevent an erroneous entrance to the electrically charged compartment, and to prevent the erroneous closure of the ground circuit breaker, when it is electrically charged, so that it is electrically charged. Provide security guarantees for operators.
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