Products Description
Wound Motor Resistor is a dedicated startup and speed-adjusting resistance unit developed specifically for wound-rotor asynchronous motors. Made of high-quality heat-resistant alloy resistance wire with precision winding technology, it features superior electrical stability and outstanding high-temperature resistance. Effectively limiting motor starting current, it realizes smooth startup and multi-stage speed control, and is widely applied in heavy industries including hoisting, mining, metallurgy and port operations. Our products come with compact structure, efficient heat dissipation and long service life. Custom manufacturing is available to accommodate customers' actual working conditions and diversified industrial application needs.
Product Image
Production Technology
Precision Winding
Automated precision winding equipment arranges resistance wire evenly and tightly, ensuring high resistance accuracy and consistent electrical performance.
Premium Material Selection
High-purity heat-resistant alloy is selected as the base material for resistance wire, offering excellent oxidation resistance to endure long-term high-temperature operating environments.
Strict Quality Testing
Each Wound Motor Resistor undergoes multiple electrical performance tests and appearance inspections before delivery to ensure reliable finished product quality.
Scientific Structural Design
Thermal and structural optimization is completed according to varied application scenarios to balance performance and overall size, improving installation convenience and operational efficiency.
Functional Features
Precise Resistance Control:High resistance accuracy allows accurate parameter matching with corresponding motors, confining starting current within a safe range to secure motor operation.
Overload Protection:It features remarkable short-time overload capacity and protects motor windings against damage caused by sudden current surges under abnormal working conditions.
Smooth Startup:Multi-step resistance switching realizes soft motor startup, lowering mechanical shock and power grid fluctuation to prolong the service life of complete equipment sets.
Flexible Speed Regulation:Multi-gear speed adjustment enables flexible motor speed modification in line with production process requirements to satisfy varying production demands.
Operation Instructions
Pre-installation Check
Confirm the resistor specifications match the target motor before installation; check tightness of all wiring terminals and ensure the installation location is well ventilated.
Standard Wiring
Follow the official wiring diagram strictly for connection to guarantee correct phase sequence and reliable contact; improper wiring may result in equipment damage.
Ambient Requirements
Install and use the product in dry, well-ventilated spaces; avoid long-term service in high-temperature, high-humidity or corrosive gas environments to maintain normal working performance.
Customization Services
Custom Shape
Custom shapes and specifications are available based on the actual application environment of Wound Motor Resistor to achieve perfect matching with wound rotor motors and optimal working performance.
Flexible Size Customization
Multiple installation dimensions and structural forms can be customized to fit limited equipment space, facilitating installation and lowering renovation costs.
Custom for Special Working Conditions
Custom special raw materials and protective structures are provided for harsh environments with high temperature, high humidity or heavy dust to guarantee stable long-term operation.
Factory Environment
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