High Voltage Surge Generator | XHHV515-8L
The XHHV515-8L portable high voltage surge generator integrates a DC high-voltage source, an 8μF energy storage capacitor and a discharge ball gap into one compact unit, completely replacing traditional test transformers, operation boxes and pulse energy storage capacitors that weigh hundreds of kilograms. Built with high-frequency high-voltage technology, it delivers 0-15kV impulse output with up to 900J discharge energy for cable fault location and DC withstand testing. The equipment fully complies with DL/T846-2016 and DL/T474-2017, making it an ideal impulse high-voltage power supply for fault detection of power cables rated 10kV and below.
Applications & Target Audience: Engineered for cable fault location service contractors, low and medium voltage cable manufacturers, electrical installation and maintenance contractors, municipal distribution network O&M teams and electrical engineering training laboratories that perform impulse discharge fault testing and DC withstand voltage testing on power cables rated 10kV and below.
Key Specifications
| Parameter |
Specification |
| Impulse Voltage |
0-15kV |
| Short Circuit Current |
0-320mA |
| Built-in Capacitor |
8μF |
| Discharge Energy |
0-900J |
| Output Voltage Polarity |
Negative polarity |
| Over-Current Protection |
8mA (more than 4 seconds) |
| Impulse Power |
400W |
| Over-Temperature Protection |
65°C |
| Working Power Supply |
AC 220V±10%, 50Hz±2Hz |
| Ambient Temperature |
-25°C to +65°C |
| Dimensions |
540×300×450mm |
| Weight |
≤25kg |
Advanced Features
- All-in-one design integrating DC high-voltage source, energy storage capacitor and discharge ball gap
- Dual functions: DC withstand voltage testing and impulse discharge for cable fault location
- Ultra-light portable structure under 25kg, replacing traditional equipment weighing hundreds of kilograms
- Automatic over-current, over-voltage and over-temperature protection
- Super short-circuit protection, allowing high-voltage output to work even with direct ground short circuit
- Dual 1.5-class pointer meters for current and voltage display with real-time discharge process indication
- High-voltage side voltage measurement for real-time accurate readings
- Zero-start protection and potentiometer zero-output function for safe and reliable operation
- Voltmeter indicates capacitor voltage in real time even in stopped state
- Discharge time interval freely adjustable within the appropriate range
How It Works: Dual-Mode Operation
DC Withstand Voltage Mode: Powered by AC 220V, the unit outputs 0-10kV DC voltage to perform withstand voltage testing on electrical equipment, with leakage and breakdown conditions reflected in real time on the ammeter and voltmeter.
Impulse Discharge Mode: The charging circuit and discharging circuit work together, and the impulse magnet organically combines the DC high-voltage power supply, energy storage capacitor and high-voltage discharge ball gap. The ball gap periodically discharges to inject high-energy impulse signals into the faulty cable, enabling acoustic and magnetic synchronized fault point determination for cables rated 10kV and below.
Complete System: The host applies high-voltage high-energy pulse signals to the cable under test, while the discharge rod performs safe DC current-limiting or short-circuit discharge after testing. A safe and complete cable fault testing workflow from impulse injection to fault pinpointing.
FAQ
Q1: What is the XHHV515-8L used for?
It is used for impulse discharge testing during cable fault location and DC withstand voltage testing of electrical equipment, mainly serving power cables rated 10kV and below.
Q2: What are the key output parameters?
It provides 0-15kV adjustable impulse voltage, 0-900J discharge energy, an 8μF built-in capacitor and 0-320mA short circuit current with negative output polarity.
Q3: How does it replace traditional heavy testing equipment?
It integrates the DC high-voltage source, energy storage capacitor and discharge ball gap into one unit weighing no more than 25kg, replacing traditional test transformers, operation boxes and pulse capacitors that typically weigh hundreds of kilograms.
Q4: What safety protections does it provide?
It features automatic over-current, over-voltage and over-temperature protection, zero-start protection, potentiometer zero-output function, and super short-circuit protection that allows high-voltage output to work even with direct ground short circuit.
Q5: Which standards does it comply with?
It fully complies with DL/T846-2016 General Technical Conditions for High-Voltage Test Equipment and DL/T474-2017 Implementation Guidelines for Field Insulation Tests, and the instrument is CE and ISO certified.
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