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China MRXH-10 Arc Suppression and Resonance Elimination Cabinet Manufacturer, Factories
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China MRXH-10 Arc Suppression and Resonance Elimination Cabinet Manufacturer, Factories
The MRXH-10 Arc Suppression and Resonance Elimination Cabinet significantly enhances power system stability by effectively eliminating resonance and suppressing arc grounding overvoltages. This innovative cabinet limits various overvoltages to safer levels, outperforming traditional arc suppression coils while making them optional. With compact design for easy installation in high-voltage switchgear, it operates reliably from -40°C to +60°C and supports voltages up to 35kV. The MRXH-10 cabinet reduces insulation failures and MOA breakdown rates, providing comprehensive protection for substations and power plants in both new and retrofit projects.
Optional Feature X (Microprocessor-Based Faulted Line Selection Device)
Product Display
Technical Parameters
Parameter
Unit
Value
Rated Frequency
Hz
50
Rated Voltage
kV
6, 10, 35
Rated Current
A
31.5 - 200 (Up to 630A for high-end models)
Breaking Capacity Level
kA
≥10 (Up to 40kA for specific models)
Thermal Withstand Current
s
4
Insulation Level
kV
≥5
Protection Grade
-
IP4X
Faulted Line Selection Function
-
Supports multiple circuits (e.g., 28 circuits)
Communication Interface
-
RS485
Altitude
m
≤2000
Temperature Range
°C
-40 to +60
Product Features
1
Enhances power system stability by limiting overvoltages to lower levels, reducing insulation failures and cascading faults.
2
Comprehensive overvoltage protection against atmospheric, switching, and arc grounding overvoltages, outperforming standard arc suppression coils.
3
Eliminates persistent arc grounding overvoltages, improving grid conditions and reducing the failure rate of metal oxide arresters (MOAs).
4
Optional microprocessor-based earth fault line selection device ensures high accuracy and reliability in detection.
5
Protection mechanism is independent of single-phase ground capacitance current, unaffected by grid expansion or mode changes.
6
Compact integrated structure allows for easy installation in high-voltage switchgear cabinets, suitable for both new and retrofit projects.
Frequently Asked Questions
Q: What are the primary functions of this cabinet?
A: It is designed for arc suppression and resonance elimination, significantly reducing overvoltage risks and protecting the power system's insulation.
Q: What voltage ranges does the device support?
A: The device is compatible with rated voltages of 6kV, 10kV, and 35kV systems.
Q: Can it detect specific faulted lines?
A: Yes, it offers an optional microprocessor-based faulted line selection device that can manage multiple circuits, such as up to 28 circuits, with high precision.
Q: Does the device perform well in extreme temperatures?
A: Yes, it is designed to operate reliably within a wide temperature range from -40°C to +60°C.
Q: Is it difficult to install in existing substations?
A: Not at all. Its compact design allows it to be integrated into a single switchgear cabinet, making it ideal for both new installations and retrofitting existing systems.
Q: What communication protocols does it support?
A: The device features an RS485 communication interface for seamless integration into monitoring and control systems.
Mingri Electric
