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China GIMS: Advanced Ground Distributed Lightning & Interference Solutions for MV and LV Applications | Suppliers & Factory
Function Features
Ground potential counterattack overvoltage suppression
Ground interference suppression
Grounding current monitoring
Grounding current FFT analysis
Grounding impedance monitoring
Ground impedance exceeding limit alarm
Ground potential monitoring
Ground potential exceeding limit alarm
GIMS continuously monitors the ground network in real-time and can share the monitored data with third-party platforms, providing strong data support for future fault analysis.
Technical Indicators
| Working power supply | 220VAC |
| Interference suppression frequency range | 75Hz ~ 100MHz |
| Depression ratio | 50% ~ 96% |
| Maximum suppression voltage | 25kV (Transient) |
| Maximum suppression current | 320kA (Transient) |
| Normal loss | ≤ 60W |
| Resistance measurement range | 0 ~ 200Ω |
| Protection time accuracy | 0.001s |
| Response time | < 25ns |
| Measurement accuracy | ± 2.5% |
| Protection grade | IP20 |
Detail Pictures
Key Technical Parameters
| Interference suppression frequency range | 75Hz ~ 100MHz |
| Depression ratio | 50% ~ 96% |
| Maximum suppression voltage | 25kV (Transient) |
| Maximum suppression current | 320kA (Transient) |
| Normal loss | ≤ 60W |
Frequently Asked Questions (FAQ)
What are the primary monitoring functions of the GIMS system?
GIMS provides comprehensive real-time monitoring of the ground network, including grounding current, grounding current FFT analysis, grounding impedance, and ground potential. It also features out-of-limit alarms for both ground impedance and ground potential.
How does the system protect against transient overvoltage and lightning interference?
The system features ground potential counterattack overvoltage suppression and ground interference suppression, capable of handling a maximum transient suppression voltage of 25kV and a maximum transient suppression current of 320kA.
What is the response time and measurement accuracy of the system?
The system operates with an ultra-fast response time of less than 25ns, a protection time accuracy of 0.001s, and a parameter measurement accuracy of ±2.5%.
Can GIMS integrate with external monitoring systems or third-party platforms?
Yes. GIMS continuously monitors the ground network in real-time and is designed to share all monitored data with third-party platforms, offering robust data support for historical trend and future fault analysis.
What are the power requirements and environmental protection rating of the device?
The device runs on a 220VAC working power supply with a normal loss of ≤ 60W, and it features an IP20 protection grade rating for standard installations.




