‘RE’ AC HV Rubber testing set is used for Testing Rubber Mats. These sets are generally used in Electrical manufacturing Industry/Power Houses, Electrical Repair etc. where AC H.V. test set is suggest by BIS or IEC. During AC H.V. testing High current is generated due to capacitive loading. AC High voltage test equipments are designed for continuous use, for testing, and can withstand short circuit. Fault burning can also be provided if desired.
| AC High Voltage Insulation Test Set | ||
Sr. No.
|
Parameters
|
Description |
1
|
I/p Voltage
|
220/230V or 380/400V, 50/60HZ AC supply |
2
|
O/p Voltage
|
Up 60KV and 100mA |
3
|
Capacity
|
Up to 6KVA |
4
|
Timer
|
0-9999 Sec./min. Digital |
5
|
Control
|
1- The unit can be manual/motorized control for voltage variation and push button controlled for HT actuation. 2-Selectror switch to select leakage current at 25%,50%,75% and 100% of the mA capacity required. 3- The unit can be microprocessor based complete with on board memory, printout facility, programmable features etc. 4- The unit can be PLC based complte with computer, HMI memory, printer etc. for operation. |
6
|
Metering
|
Voltmeter : One Digital type connected on HT side to indicate the output voltage Scale : 0-60 kV AC. Ammeter : One Digital type ammeter Connected on earth side to indicate the leakage Current on sample under test. Scale : 0-100mA |
7
|
Protection
|
A fast acting DC relay will isolate the circuit when the current exceeds pre-set level. |
8
|
Interlocking
|
The unit will have zero start interlocking to avoid the transients on HV transformer and provision for cage door interlocking shall also be provided |
9
|
Construction
|
AC High voltage test set consists of 1) Control panel cum Regulating Transformer cum High Voltage Transformer. |
9(a)
|
Control Panel
|
Consist of : LT ON Indicator , Push button to actuate HT, HT ON Indicator,Push button to deactuate HT, Fault Indicator (HT OFF Indicator), Push Button Switch to increase / decrease the output voltage, Tripping selector switch with tripping @ 10-15-20-25-30-35-40-50-60-70-80-90-100mA, Timer ON/OFF Switch, Switch for rate of rise @ 0.5kV/sec and 2kV/sec, Timer Digital, Digital KV Meter, Digital mA Meter |
9(b)
|
Regulating Transformer
|
Continuously variable transformer which feeds 0-230 V, to the main HV transformer. The voltage is boosted in ratio with transformer design. No wave shape distortion will take place. One terminal of HT transformer is maintained at earth potential through CST terminal, the other Ht terminal is brought out on suitable H.T. Load. Protection: The protective circuit incorporated in this unit consist of the following : A) Zero Start Interlocking B) Over current relay with current selection C) Cage door at top side This prevents accidental start of unit after break down. |
9(c)
|
HV Transformer
|
The Main step up transformer is housed inside the body supported with welded angle iron frame and the output has been brought out through H.T. Terminal. |
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