AC High Voltage High Capacity Testers are specifically designed to test cables, generators, transformers, and other high-capacitance equipment by both National and International standards.
Each unit undergoes multiple testing phases during production to ensure consistent, top-tier quality. These instruments come in air-cooled, oil-cooled, or combined air and oil-cooled configurations, depending on the design. Manufactured to handle up to 800kV and 3000kVA, these units perform various tests, including dry withstand, wet withstand, breakdown voltage in air or oil, oil insulation, and pollution testing.
Standard Accessories
Optional Accessories
| Parameter | Description | ||
| 1 | Input Voltage | 220/230 or 380/400V, 50/60HZ AC Supply | |
| 2 | Output Voltage | Up to 800 KV and 4A | |
| Integration of reactor after 100KVA, Integration of series and parallel reactor after 1500KVA | |||
| 3 | Partial Discharge Level | Less than 2pC up to 300kV and less than 10pC up to 600kV | |
| 4 | Capacity | Up to 3000kVA | |
| 5 | Timer | 0-9999 Sec./min. Digital | |
| 6 | Control | Manual Control | Manual or motorized voltage adjustment with push-button HT activation. |
| Digitized Control | Digital panel with optional computer connectivity. | ||
| PLC based | Fully automated: PLC-based system with integrated computer, HMI, and printing capabilities. | ||
| 7 | Metering | Voltmeter: One digital type connected on the HT side to indicate the output voltage. Scale: 0-800 kV AC. Ammeter: One digital type ammeter Connected on the earth side to indicate the leakage Current on the sample under test. Scale: 0-40A Applicable only for type -1 For type -2 and type 3 metering is self-contained | |
| 8 | Protection | Tripping | A rapid DC relay cuts power when the current surpasses the set limit. |
| Overload | Serves as a backup safeguard against input load overage. | ||
| Overvoltage | Acts as a secondary defense if the output voltage exceeds the threshold. | ||
| 9 | Interlocking | Zero Start Interlock | The unit will have zero start interlocking to avoid the transients on the HV transformer. Provision for cage door interlocking shall also be provided. |
| Earth Interlock | It ensures that HV will not actuate until good earthing is not provided. | ||
| 10 | Termination | HT output is connected to an appropriate HT insulator, with other points grounded via suitable insulators. | |
| 11 | Control Panel | The control panel is designed for five unique purposes. 1 -Control 2- Measure 3- Protect (Active and Passive) 4- Tripping 5 -Annunciate | |
| 12 | Reactor | Our Parallel/Series Reactor (LT and HT) harmonizes with capacitive currents during dielectric testing. Featuring a motorized moving coil and fixed reactor, it achieves a Q-factor of up to 20, ensuring precise resonance for various components and systems. | |
| 13 | HV Transformer | We craft our transformers to IS/IEC standards, offering single and multi-stage step-up options for versatile voltage requirements. Built with premium materials sourced globally, our units boast vacuum-impregnated coils insulated with top-tier EHV grade oil, meeting or exceeding industry benchmarks. | |
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