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HF-HG-301 DC High Voltage Generator
DC High Voltage Generator produces continuously adjustable DC high voltage. It is used for DC withstand voltage and leakage current tests to check insulation performance of power cables, transformers and high-voltage electrical equipment.
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The HF-HG-301 DC High Voltage Generator is designed for power utilities and industrial enterprises to conduct DC withstand voltage tests and leakage current tests on lightning arresters, cables and high-voltage equipment.
Developed in accordance with Chinese energy industry standards, it has passed inspection by national high voltage metrology station and complies with ZGF24003-90 General Technical Conditions for Portable DC High Voltage Generators. Some indicators exceed the requirements of GB11032-89 Metal Oxide Lightning Arresters without Gaps.
Developed in accordance with Chinese energy industry standards, it has passed inspection by national high voltage metrology station and complies with ZGF24003-90 General Technical Conditions for Portable DC High Voltage Generators. Some indicators exceed the requirements of GB11032-89 Metal Oxide Lightning Arresters without Gaps.
Adopting new technologies, new materials and new components, the ZGS-C series features high output power, compact size and light weight. It is equipped with reliable overvoltage, overcurrent and zero-position interlock protection, 0.75 times voltage locking function, as well as a time relay for timing audible alarm during tests. The unit is portable, easy to operate, safe and reliable, especially suitable for on-site power tests.
Technical Parameters
1. Technical Conditions
Power Supply: AC220V±10%, 50Hz±1%
Output voltage indication accuracy: Class <1.0
Output current indication accuracy: Class <1.0
0.75 times output voltage indication accuracy: Class <1.0, with locking function
Output voltage indication accuracy: Class <1.0
Output current indication accuracy: Class <1.0
0.75 times output voltage indication accuracy: Class <1.0, with locking function
2. Operating Conditions
Relative humidity: ≤85% at 25°C, no condensation
Duty cycle: Intermittent operation for 30 minutes continuously
Ambient temperature: -10 ~ 40°C
Altitude: ≤1500 m
Duty cycle: Intermittent operation for 30 minutes continuously
Ambient temperature: -10 ~ 40°C
Altitude: ≤1500 m
3. Protection Functions
Internal overvoltage protection, internal overcurrent protection
External adjustable overvoltage protection, external overcurrent / breakdown protection
Internal power protection
Non-zero start protection
Timing audible alarm
External adjustable overvoltage protection, external overcurrent / breakdown protection
Internal power protection
Non-zero start protection
Timing audible alarm
Model Specification Table
| Model | Rated DC Output Voltage(kV) | Rated DC Output Current(mA) | Rated Output Power(W) | Adjustable Overvoltage Range(kV) | Weight(kg) | Voltage Multiplier Height(m) |
|---|---|---|---|---|---|---|
| ZGF-60 | 60 | 2 | 120 | 22kV~60kV | 16 | 0.5 |
| ZGF-60 | 60 | 5 | 300 | 22kV~60kV | 16 | 0.5 |
| ZGF-60 | 60 | 10 | 600 | 22kV~60kV | 16 | 0.5 |
| 120 | 120 | 2 | 240 | 42kV~120kV | 20 | 0.8 |
| 120 | 120 | 5 | 600 | 42kV~120kV | 20 | 0.8 |
| 120 | 120 | 10 | 1200 | 42kV~120kV | 20 | 0.8 |
| 200 | 200 | 2 | 400 | 72kV~200kV | 26 | 1.2 |
| 200 | 200 | 5 | 1000 | 72kV~200kV | 26 | 1.2 |
| 200 | 200 | 10 | 2000 | 72kV~200kV | 26 | 1.2 |
| 300 | 300 | 2 | 600 | 100kV~300kV | 31 | 1.7 |
| 300 | 300 | 5 | 1500 | 100kV~300kV | 31 | 1.7 |
| 300 | 300 | 10 | 3000 | 100kV~300kV | 31 | 1.7 |
Key Features (Two-column layout for website)
| Features | Description |
|---|---|
| Portable structure | Compact and lightweight design for field on-site testing |
| Multiple built-in protections | Overvoltage, overcurrent, non-zero start and breakdown protection |
| 0.75U voltage locking | Support 0.75 times rated voltage hold function |
| Timing audible alarm | Equipped with time relay for scheduled sound alert |
| High measuring precision | Voltage & current indicator accuracy better than Class 1 |
| Complete standard compliance | Meets national standards for portable DC hipot tester |
FAQ — DC High Voltage Generator
Q1: What is the DC High Voltage Generator used for?
A: It performs DC withstand voltage test and leakage current test on lightning arresters, power cables and various high voltage electrical equipment for power industry and industrial mines.
Q2: Which standards does this instrument comply with?
A: It conforms to ZGF24003-90. Some technical indicators exceed GB11032-89 standard for gapless metal oxide arresters, and it has passed national high voltage metrology verification.
Q3: What is the power supply requirement?
A: Input power supply: AC220V±10%, 50Hz±1%.
Q4: What is the accuracy of voltage and current display?
A: Output voltage and current indication accuracy: better than Class 1; 0.75 times voltage display also reaches Class 1 with locking function.
Q5: What are the available standard models?
A: Main voltage grades: 60kV,120kV,200kV,300kV; each supports 2mA /5mA /10mA different output current options.
Q6: What protection functions are equipped?
A: Internal & external overvoltage protection, internal & external overcurrent/breakdown protection, power protection, non-zero start protection.
Q7: What is the 0.75 times voltage locking function for?
A: It can keep 75% rated DC voltage steady, commonly used for long-term aging test of lightning arresters.
Q8: Does it support timing reminder during testing?
A: Yes. Built-in time relay to realize timing audible alarm as required.
Q9: What are the allowable working conditions?
A: Ambient temperature: -10℃ ~ 40℃; relative humidity ≤85% (25℃, no condensation); altitude below 1500m.
Q10: What is the continuous working mode?
A: Intermittent operation, maximum continuous working time 30 minutes.
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