Description :-
AC High Voltage High capacity testers are specially designed for testing cables, Generators, transformers and other high capacitive equipments as per National and International Standards. During manufacturing each unit is tested at multiple stages, thus ensuring consistency and best quality. These instruments are air cooled, oil cooled or air & oil cooled combined as per design. The units have been manufactured up to 800kV and up to 3000kVA.The units have type of tests such as dry withstand, wet withstand, breakdown voltage in air/oil, oil insulation, and pollution Test illution Test
Features
Standard Accessories
Optional Accessories
Technical Specifications:-
Partial Discharge Free High Voltage High Capacity Test Set |
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Sr. No. |
Parameter |
Description |
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1 |
Input Voltage |
220/230 or 380/400V, 50/60HZ AC Supply |
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2 |
Output Voltage |
Up to 800KV and 400mA |
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Integration of reactor after 100KVA. |
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3 |
Partial Discharge Level |
Less than 2pC up to 300kV and less than 10pC up to 600kV |
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4 |
Capacity |
Up to 320kVA |
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5 |
Timer |
0-9999 Sec./min. Digital |
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6 |
Control |
Manual Control |
The unit can be manual/motorized control for voltage variation and push button controlled for HT actuation |
Digitized Control |
The unit can be complete with on board digitized panel with or without computer connectivity. |
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PLC based |
The unit can be PLC based complete with computer, HMI memory, printer etc. for operation. |
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7 |
Metering |
Voltmeter : One Digital type connected on HT side to indicate the output voltage |
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8 |
Protection |
Tripping |
A fast acting DC relay will isolate the circuit when the current exceeds pre-set level |
Overload |
This is used as a secondary protection in case the input loads exceeds the preset value |
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Over voltage |
This is used as a secondary protection in case the output voltage exceeds the preset value |
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9 |
Interlocking |
Zero Start Interlock |
The unit will have zero start interlocking to avoid the transients on HV transformer and provision for cage door interlocking shall also be provided. |
Earth Interlock |
It ensures that HV will not actutae until good earthing is not provided |
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10 |
Termination |
The HT output on suitable HT insulator and other point at earth potential will be brought out on suitable insulator |
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11 |
Control Panel |
The control panel is designed for five unique purposes. |
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12 |
Reactor |
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A Parallel / series reactor (LT and HT) when provided in the system resonates with the capacitive current generated during the dielectric testing of any component / equipment / system. It generally consist of motorised moving coil and fixed reactor. It operates up to a Q-factor of 20. |
13 |
HV Transformer |
The transformers are designed and manufactured as per IS /IEC guidelines. Single / Multiple stage stepup transformers are utilized for achieving the desired voltage. The units are designed and manufactured using the preminent material from India and Abroad. The coils are vacuum impregnated and insulated with High Quality EHV Grade transformer oil as per relevant IS and IEC Standard |
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