Outdoor high voltage vacuum circuit breaker
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AB-3S-12 outdoor high voltage vacuum circuit breaker
◆ Overview
AB-3S-12 series of circuit breakers is the company's comprehensive domestic and foreign advanced technology, Bocaizhongzhijia long, using a new design concept, far from high-tech means, the latest development of a new generation of intelligent vacuum circuit breaker. The product can be used as 35kv substation main transformer 10kv side and 10kv outlet switch, can also be used as a distribution network on the column switch, and the company's production is a combination of various control units can be easily achieved control, protection, Measurement, communication, is to achieve the automation and miniaturization of the preferred equipment.
◆ Model meaning
◆ conditions of use
1. Working environment temperature: not more than 40 ℃; daily average temperature of not more than 35; minimum ambient air temperature of -25 ;.
2. Air relative humidity: daily average of not more than 95%, the monthly average of not more than 90; water vapor pressure daily average of not more than 2.2kPa;
3. Monthly average is not more than 1.8 kPa;
4. Altitude: no more than 2000m;
5. The surroundings are not significantly contaminated by dust, smoke, corrosive and / or flammable gases, steam or salt fog;
6. The vibration or ground from outside the switchgear and control equipment is negligible;
7. In the secondary system, the amplitude of the induced electromagnetic interference does not exceed 1.6kv.
◆ Main technical parameters
|
Serial number |
name |
unit |
data |
|
|
1 |
Rated voltage |
KV |
12 |
|
|
2 |
Rated insulation level |
1min power frequency withstand voltage (RMS) |
KV |
42 |
|
Lightning impulse withstand voltage (peak) |
KV |
75 |
||
|
3 |
Rated frequency |
KV |
50 |
|
|
4 |
Rated current |
A |
630 1250 |
|
|
5 |
Rated short circuit breaking current |
KA |
20 |
|
|
6 |
Rated short-circuit closing current (peak) |
KA |
50 |
|
|
7 |
Rated operating sequence |
Points t1 (0.3s) - points t2 (3s) - points t2 (3s) - joint points - lock |
||
|
8 |
Thermal stability current (4S) |
KA |
20 |
|
|
9 |
Dynamic current (peak) |
KA |
50 |
|
|
10 |
Rated short circuit current breaking times |
Times |
30 |
|
|
11 |
CT ratio |
|
30-1250/1（5） |
|
|
12 |
Working power supply voltage |
V |
-220(-110) |
|
|
13 |
Creepage distance |
|
≥ 31 |
|
|
14 |
Number of machines |
Times |
10000 |
|
|
15 |
weight |
kg |
90+40 |
|
◆ main function
Protection: with or without time current quick current, timing overcurrent, reverse time overcurrent, directional overcurrent, over voltage, under voltage protection;
Control: can be in situ operation and remote control, can also be in accordance with the pre-set program action;
Automation: can automatically achieve the fault location of the line, fault isolation, restore power supply, parameter analysis;
Can be automatically required to achieve low-frequency load shedding, automatic switching capacitor, etc., and through GPRS or dedicated communication network to report fault information;
Communication: support TCP / IP protocol, support GPRS, provide CAN, RS232 / 485 communication port, support a variety of communication protocols (DNP3.0, IEC101, etc.)
Can record, store operation, operation and fault parameters, protection settings can be set on-site and remote programming;
Can monitor the mechanical parameters of the device, the arc chamber operation conditions;
Can be synchronized on the circuit breaker to effectively suppress the operation of over-voltage and inrush current, especially for the operation of the capacitor.
Protection: with or without time current quick current, timing overcurrent, reverse time overcurrent, directional overcurrent, over voltage, under voltage protection;
Control: can be in situ operation and remote control, can also be in accordance with the pre-set program action;
Automation: can automatically achieve the fault location of the line, fault isolation, restore power supply, parameter analysis;
Can be automatically required to achieve low-frequency load shedding, automatic switching capacitor, etc., and through GPRS or dedicated communication network to report fault information;
Communication: support TCP / IP protocol, support GPRS, provide CAN, RS232 / 485 communication port, support a variety of communication protocols (DNP3.0, IEC101, etc.)
Can record, store operation, operation and fault parameters, protection settings can be set on-site and remote programming;
Can monitor the mechanical parameters of the device, the arc chamber operation conditions;
Can be synchronized on the circuit breaker to effectively suppress the operation of over-voltage and inrush current, especially for the operation of the capacitor.
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