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HF-CH-215 Cable High Voltage Signal Generator
Portable Cable High Voltage Signal Generator delivers adjustable high voltage pulses to stimulate discharge at cable fault points. Cooperating with cable fault locators, it quickly pinpoints short-circuit, earth and break faults of buried power cables, widely used in field power maintenance work.
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The Cable High Voltage Signal Generator is a portable high-voltage pulse device dedicated to power cable fault detection. Equipped with a 2μF energy storage capacitor, it provides continuously adjustable voltage ranging from 0 to 32kV. Featuring optoelectronic isolation voltage control and dual time relay timing, this compact integrated unit delivers stable high-voltage discharge to trigger fault point flashover, cooperating with cable fault locators to accurately pinpoint underground cable faults for outdoor power maintenance projects.
Product Features
● This cable test high voltage signal generator is equipped with a 2μF capacitor, with output voltage continuously adjustable from 0 to 32kV.
● Adopting advanced high-voltage generation unit, it features compact size, light weight and large output power. Its output voltage is controlled via optoelectronic isolation feedback technology for enhanced operational safety.
● The discharge interval and discharge duration are set by dual time relays, allowing flexible adjustment according to on-site testing requirements.
● Integrated overall structure with built-in energy storage capacitor; no exposed high-voltage parts for safer use.
● Adopting advanced high-voltage generation unit, it features compact size, light weight and large output power. Its output voltage is controlled via optoelectronic isolation feedback technology for enhanced operational safety.
● The discharge interval and discharge duration are set by dual time relays, allowing flexible adjustment according to on-site testing requirements.
● Integrated overall structure with built-in energy storage capacitor; no exposed high-voltage parts for safer use.
Technical Parameters
| Item | Specification |
|---|---|
| Output Impulse Voltage | Adjustable from 0 ~ 32kV |
| Discharge Period Adjustment | 0 ~ 99 seconds adjustable |
| Discharge Time Adjustment | Adjustable within 0 ~ 99 seconds, factory default setting: 0.3s |
| Maximum Energy Storage | 1000J |
| Power Supply | AC 220V, 50Hz |
| Overall Dimensions | 590mm×325mm×510mm |
| Weight | 25kg |
Applications
The Cable High Voltage Signal Generator is specially designed for on-site fault detection and location of buried power cables. It outputs controllable high-voltage impulse pulses to induce flashover discharge at cable fault points including earthing faults, short circuits and broken lines. Matched with cable fault locators and path finders, it helps maintenance staff quickly pinpoint underground cable fault positions, widely applied in power bureau daily overhaul, distribution network troubleshooting and electrical engineering maintenance projects.
Packing List of Cable High Voltage Signal Generator
| Serial No. | Item Description | Quantity | Unit | Remarks |
|---|---|---|---|---|
| 1 | High Voltage Signal Generator Main Unit | 1 | Set | Host device |
| 2 | High Voltage Output Connection Cables | 2 | Pcs | For high-voltage wiring connection |
| 3 | Earthing Ground Cable | 1 | Pc | Safety grounding use |
| 4 | AC Power Cord | 1 | Pc | Mains power supply |
| 5 | High Voltage Test Probe | 1 | Set | Testing accessory |
| 6 | Insulated Extension Rod | 1 | Set | Live operation tool |
| 7 | Spare Fuses | 3 | Pcs | Replacement consumables |
| 8 | Insulated Safety Gloves | 1 | Pair | High voltage protection |
| 9 | Insulating Rubber Mat | 1 | Piece | Anti-electric shock |
| 10 | English Operation Manual | 1 | Copy | User guide |
| 11 | Factory Calibration Certificate | 1 | Copy | Official calibration document |
| 12 | Product Inspection Report | 1 | Copy | Factory quality test file |
| 13 | Warranty Card | 1 | Copy | After-sales warranty voucher |
| 14 | Shockproof Aluminium Transport Case | 1 | Pc | Overall packing container |
| 15 | Moisture-proof Desiccants | 2 | Bags | Anti-humidity inside case |
FAQ: Cable High Voltage Signal Generator
Q1: What is a Cable High Voltage Signal Generator mainly used for?
A: It outputs adjustable high-voltage test signals, widely applied in medium/high voltage cable fault location, cable pre-commissioning tests, partial discharge detection and withstand voltage inspection for power cables.
Q2: What voltage range can this generator output?
A: Output voltage covers low-frequency AC high voltage as standard, customizable according to client demands to match 10kV, 35kV, 110kV power cable testing requirements.
Q3: Is the device compliant with international power testing standards?
A: Yes. It conforms to IEC standard specifications for power cable testing, suitable for global EPC projects, power utilities and third-party electrical testing institutions.
Q4: Can operators use the generator outdoors under humid weather?
A: The main unit has IP54 protection grade for daily outdoor use. Do not conduct high-voltage tests during heavy rain, thunderstorms or dense fog to avoid electric leakage risks.
Q5: Why must the grounding cable be connected before starting the test?
A: Reliable grounding releases residual high voltage during operation, prevents electrostatic accumulation and electric shock accidents for testing personnel, which is a mandatory safety step.
Q6: How long can the equipment run continuously?
A: Rated continuous working time is 8 hours under normal ambient temperature; stop and cool down for 30 minutes if working beyond the limit to protect internal circuits.
Q7: Which spare parts are delivered together with the machine?
A: Complete accessories include high-voltage connecting wires, ground cable, power cord, test probe, insulated rod, spare fuses, insulating gloves and mat. Full packing details are listed on the packing list.
Q8: What should I do if the machine fails to boost voltage normally?
A: 1. Check power supply connection and fuses; 2. Confirm tight connection of high-voltage cables; 3. Ensure good earthing. Contact our after-sales team if issues persist.
Q9: How to store the device when not in use for a long time?
A: Place it inside the original shockproof aluminum case, put desiccants inside to resist moisture, store in dry, ventilated room with temperature 0℃~40℃, avoid direct sunlight.
Q10: Does the machine come with a factory calibration certificate?
A: Each unit is equipped with an official factory calibration certificate, quality inspection report and English operation manual upon shipment, valid for on-site acceptance of overseas projects.
Q11: What is your warranty policy?
A: 2-year global warranty for the main unit. Damages caused by improper operation, artificial collision or lightning strike are not covered under warranty. We provide lifelong technical consultation and spare parts supply.
Q12: Can you customize output parameters according to special testing needs?
A: Customization on output voltage, frequency, waveform and size is available. Our technical team will adjust hardware and software based on your cable test scenarios.






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