Product Introduction
The Indoor Resistor Cabinet is a grounding protection device designed specifically for indoor power distribution systems. It is suitable for 6-35kV systems with an ungrounded neutral point or those grounded via an arc suppression coil. When a single-phase ground fault occurs in the system, the resistor cabinet quickly activates a current-limiting resistor to limit the fault current to a reasonable range (typically 50-1000A), preventing equipment damage, arc short circuits, and system overvoltages. It also provides a stable signal for fault line selection, significantly improving power supply reliability.
Product Picture
Core Features and Significant Advantages
Designed for indoor environments
Indoor Resistor Cabinets are constructed from high-quality cold-rolled steel and feature an electrostatically sprayed surface treatment for corrosion resistance, rust resistance, and protection against mechanical damage. They are designed to adapt to temperature and humidity fluctuations within factories, ensuring long-term stable operation.
Safety protection and reliable operation
Equipped with a door interlock power-off device, the cabinet automatically disconnects the main circuit power supply when the door is opened, preventing accidental contact with live components. Insulated barriers are installed within live areas to comply with electrical safety regulations.
Efficient heat dissipation and stable operation
The rational layout of resistor components ensures ample heat dissipation channels, and combined with top ventilation, it maintains a controlled temperature rise during extended operation, preventing overheating and failure.
Modular construction for easy maintenance
The resistor units are mounted in a drawer or bracket configuration with front-mounted terminals. All components are accessible from the front, facilitating easy inspection, replacement, and routine maintenance, and reducing downtime.
Product Details
production equipment
Functional Applications
Motor Soft Start: Effectively limits the starting current to 2-3 times the rated current, reducing grid shock and extending the lifespan of both the motor and mechanical transmission components.
Speed Control: Utilized for regulating the rotor circuit speed of wound-rotor motors, enabling multi-speed adjustment. This is suitable for speed regulation in textile, metallurgy, and other applications.
Energy Dissipation Braking: Indoor Resistor Cabinets are used in conjunction with inverters to absorb feedback energy, prevent DC bus overvoltage, and ensure system safety.
About the factory
Technology leadership: The company has cutting-edge technology in the industry, and can provide customers with high-quality and efficient solutions.
Market acumen: Enterprises have keen market insight, can accurately capture customer needs and market trends, and timely adjust strategies.
Strong innovation: enterprises continue to innovate, introduce competitive new products and services, and maintain a leading position in the market.
FAQ
Q: Can I visit your factory?
A: We welcome scheduled factory tours. During your visit, we'll showcase our production processes, testing facilities, and share successful case studies.
Q: Do you have a high repurchase rate among existing customers?
A: Our repurchase rate exceeds 65%. For example, a power company has been purchasing from us for five consecutive years, ordering over 200 units annually, and has reported zero returns due to quality issues.
Q: What are the specific energy-saving effects?
A: Compared to traditional resistor cabinets, our products reduce no-load losses by 30% and improve full-load efficiency by 15%. For a 1,000 kVA system, this results in annual electricity cost savings of approximately 23,000 yuan.
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