Product Introduction
Lightning arresters are critical electrical equipment in power grids, designed to protect power equipment from overvoltage hazards. The operational health of arresters directly affects the safety and reliability of the entire power system.
The action count and leakage current of arresters are typically monitored by an arrester monitor. However, due to poor sealing, monitors may be subject to moisture ingress during operation, causing internal components to rust. This can lead to malfunctioning of the counter and inaccurate leakage current indications. Therefore, relevant regulations mandate that arrester monitors be inspected annually.
The reliability of counter action is essential for power system operation. It provides a crucial record of lightning strike statistics during normal operation, offering power system personnel important reference data for arrester inspection and maintenance decisions.
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Product functions
Discharge counter operation verification: Simulates the discharge action of the arrester to check whether the counter can operate and count correctly.
Impulse current testing: Outputs an impulse current of ≥100 A, 8/20 μs for operation testing of the counter.
High-voltage output: Provides a test voltage of DC 1600 V ±5% to supply test conditions for counter verification.
Repeated operation testing: Discharge interval ≥30 seconds, can be used for multiple operation verifications to check the stability of the counter.
Portable on-site testing: Built-in rechargeable battery, compact size, weight approximately 3 kg, suitable for on-site use in substations and other locations.
Parâmetros técnicos
| A tensão de saída | DC1600V ±5% |
| Tempo de intervalo | ≥30s |
| Fonte de energia | DC12V / AC220V±10% 50Hz±2% |
| Corrente de impulso | ≥100A（8/20μs） |
| Dimensão | 380×250×180mm |
| Peso | 3kg |
Product Characteristics
1、Built-in Rechargeable Battery: The Arrester Discharge Counter Calibrator is equipped with a rechargeable battery for convenient field use.
2、Compact and Lightweight: Small size and light weight make it easy to carry and operate in various environments.
3、Safe, Fast, and Accurate: Ensures safe operation throughout the measurement process while delivering rapid and precise test results.
Application Scenarios
Substations: Testing whether the discharge counters of arresters in the station operate correctly.
Power plants: Periodic verification of counter operation for generator sets and step-up substation arresters.
Transmission lines: On-site testing of discharge counters for line arresters.
Distribution systems: Checking the operation reliability of arrester counters in distribution equipment.
Power equipment maintenance: Functional verification of counters during equipment maintenance and servicing.
Preventive testing: Used as an auxiliary testing tool for regular preventive testing of arresters.
Arrester operating condition check: Verification performed when abnormal counter readings are observed or when confirmation of operating status is needed.
Power testing laboratories / testing organizations: Used for performance testing and quality inspection of arresters and discharge counters.
On-site fault diagnosis: Used to determine whether the counter itself has failed when the discharge counter has not operated for a long period or when operation records are abnormal.
FAQ about Arrester Discharge Counter Calibrator
Q: What is this device mainly used for testing?
A: It is mainly used for testing and verifying the operation of arrester discharge counters, determining whether the counter can operate and count correctly.
Q: Why is it necessary to perform regular verification of arrester discharge counters?
A: After long-term operation, discharge counters may experience abnormal operation, aging of mechanical components, or counting failure. Regular verification helps identify problems in a timely manner.
Q: What is the difference between a discharge counter tester and a regular multimeter?
A: A multimeter is primarily used for measuring conventional electrical parameters, while a discharge counter tester can provide the high-voltage and impulse current test signals required specifically for counter operation verification. They have different purposes.
Q: Why choose our equipment?
A:We are a professional manufacturer and supplier of high-voltage power testing equipment in China. Our Arrester Discharge Counter Calibrator is specifically designed for arrester discharge counter testing, featuring high-voltage output, impulse current testing, and repeated operation testing functions, enabling quick determination of whether the counter is working properly. At the same time, it adopts a portable design and battery-powered operation, making it convenient for on-site use in substations, power plants, and other locations.
