High Voltage Vertical Break Disconnector and Isolator
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 unit
- Supply Capability:
- 400 unit/month
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Specifications
1. 145KV Disconnector and Isolator
2. KEMA test report
3. ISO quality certificate
4. Good quality and after-sales service
General introduction :
GW4-40.5/72.5/126/145/170/252 Ⅲ Series, two columns, horizontally rotating type, HV, AC, disconnector
Product classifications and Main Technical Specifications :
1), Product classification
Voltage level: 40.5kV, 72.5kV, 126kV, 145kV, 170kV, 252kV.
Current level: 630A,1250A, 2000A, 2500A,3150A, 4000A.
Auxiliary earthing switch type: none earthing switch, left earthing switch, right earthing switch, double earthing switches.
2), Main Technical Specifications
Technical Specifications | Product Type | GW4-40.5Ⅲ | GW4-72.5Ⅲ | GW4-126Ⅲ |
Rated voltage kV | 40.5 | 72.5 | 126 | |
The rated current A | 1250, 2000, 3150, 4000 | |||
Disconnector | Rated peak withstand current kA | 100, 125 | ||
Rated short-time withstand current (RMS)kA | 40, 50 | |||
Rated short circuit duration s | 4, 3 | |||
Grounding switch | Rated peak withstand current kA | 100, 125 | ||
Rated short-time withstand current (RMS)kA | 40, 50 | |||
Rated short circuit duration s | 4, 3 | |||
Rated short-time power frequency withstand voltage (RMS) kV | to earth | 95 | 160 | 230 |
across open contacts | 118 | 200 | 230+70 | |
Rated lightning impulse withstand voltage (peak) kV | to earth | 185 | 350 | 550 |
across open contacts | 215 | 410 | 550+100 | |
minimum clearance in 1 min power frequency withstand voltage when ground blade closing to live part of disconnector | 53 | 94 | 164 | |
rated terminal static mechanic load N | longitudinal level | 1000 | 1000 | 1000, 1250 |
Horizontal level | 750 | 750 | 750 | |
Vertical force | 1000 | 1000 | 1000 | |
switching micro-capacitance current A | 2 | 2 | 2 | |
switching micro-inductance current A | 1 | 1 | 1 | |
switching busbar for current transfer A (busbar transfer voltage 100V) | 400V, 2500A, 100 times | |||
Radio interference level | less than 500 μV | |||
Mechanical life | 3000 | 3000 | 3000 | |
single pole weight (kg) | 120 | 200 | 260 | |
Note: All applied to an altitude of 2000m |
Technical Specifications | GW4-145Ⅲ | GW4-170Ⅲ | GW4-252Ⅲ | |
Rated voltage kV | 145 | 170 | 252 | |
The rated current A | 1250, 2000, 3150, 4000 | |||
Disconnector | Rated peak withstand current kA | 100, 125 | ||
Rated short-time withstand current (RMS)kA | 40, 50 | |||
Rated short circuit duration s | 4, 3 | |||
Grounding switch | Rated peak withstand current kA | 100, 125 | ||
Rated short-time withstand current (RMS)kA | 40, 50 | |||
Rated short circuit duration s | 4, 3 | |||
Rated short-time power frequency withstand voltage (RMS) kV | to earth | 275 | 325 | 460 |
across open contacts | 315 | 375 | 460+145 | |
Rated lightning impulse withstand voltage (peak) kV | to earth | 650 | 750 | 1050 |
across open contacts | 750 | 860 | 1050+200 | |
minimum clearance in 1 min power frequency withstand voltage when ground blade closing to live part of disconnector | 188 | 221 | 291 | |
rated terminal static mechanic load N | longitudinal level | 1000, 1250 | 1500 | 1500 |
Horizontal level | 750 | 1000 | 1000 | |
Vertical force | 1250 | 1250 | 1250 | |
switching micro-capacitance current A | 2 | 2 | 2 | |
switching micro-inductance current A | 1 | 1 | 1 | |
switching busbar for current transfer A (busbar transfer voltage 100V) | 400V, 2500A, 100 times | |||
Radio interference level | less than 500 μV | |||
Mechanical life (times) | 3000 | 3000 | 3000 | |
single pole weight (kg) | 300 | 326 | 900 | |
Note: All applied to an altitude of 2000m |
- Q:Distribution system equipment classification
- The equipment can be used not only in the iron and steel industry, but also in the chemical and metallurgical industries
- Q:Transmission lines are not electrical equipment?
- Transmission lines are not electrical equipment? The answer is: the device is a function of the assembly
- Q:Difference between distribution voltage and supply voltage
- A distribution within the cell, the high voltage side is 10KV, the low voltage side is 220V or 380V.
- Q:Are electric wires and cables belong to distribution equipment?
- Distribution equipment (Electrical Equipment) is in the electric power system of HV switchgear, generator, transformer, power circuit, circuit breaker, low voltage switch cabinet, distribution board, switch box, control box and other equipment collectively.
- Q:Rural high voltage transmission line equipment ownership
- the transformer can be what, look at the role of electrical appliances can be
- Q:Main equipment of high voltage direct current transmission
- At present, most of the converter adopts thyristor thyristor rectifier, which is composed of three phase bridge rectifier.
- Q:What are the two power distribution equipment?
- Such as measuring instrument, relay, switch, button operation and automatic control to provide some of these devices the energy supply device, signal equipment, computer equipment, and control cable (such as batteries, silicon rectifier, etc.).
- Q:An introduction to the interpretation of flexible AC transmission systems
- synchronous compensator (STATCOM), reactive power distribution is mainly used to improve the system, to adjust voltage and improve the voltage stability of the system;
- Q:What is the transmission line, what is the power distribution equipment
- Distribution equipment is generally referred to as the distribution lines and distribution substations (usually 35kV and below).
- Q:High and low voltage distribution equipment
- Distribution equipment refers to a variety of power plants, substations and factories and enterprises in the low-voltage power distribution system for power, distribution and lighting of the complete sets of equipment.
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High Voltage Vertical Break Disconnector and Isolator
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 unit
- Supply Capability:
- 400 unit/month
OKorder Service Pledge
OKorder Financial Service
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