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Help CenterApplication of High-voltage Frequency Converter in Synchronous Motor to Meet the Load-starting Requirement of Permanent Magnet Motor
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Application of high-voltage frequency converter in synchronous motor to meet the load-starting requirement of permanent magnet motor
The magnetic chain closed-loop vector control algorithm can realize the vector control of synchronous motor with and without feeling. Especially, the vector control without feeling based on the adaptive algorithm of stator current is developed for high-voltage permanent magnet synchronous motor. The synchronous motor is mainly used in load such as main pump fan, compressor and hoist.
In the application of 10KV 1600KW high-voltage permanent magnet synchronous motor on a motor factory in Tai 'an, vector control without speed sensor is adopted to meet the requirements of load starting of permanent magnet synchronous motor, rapid torque response and high control accuracy.
picture ：
summary ：
The AD-BPF series high-voltage frequency converters feature an innovative Automatic Voltage Regulation (AVR) technology. When grid voltage fluctuations occur, the AVR function maintains stable output voltage, providing robust motor protection and ensuring operational stability throughout the production process. As an energy-efficient, grid-pollution-free high-power frequency conversion device, the AD-BPF series delivers exceptional reliability and performance. Operating across voltage ranges of 3-11 kV (50/60 Hz ±3%) and power outputs from 160 kW to 10,000 kW, these converters are engineered for industrial applications requiring precise speed control.
scope of application ：
It is suitable for power generation, petroleum, petrochemical, natural gas, mining, metallurgy, cement, building materials, municipal, light industry, chemical industry, other industries. The main application loads are fan, water pump, compressor, test bench, oxygen generator, etc.
Performance Features
1. The AD-BPF series high-voltage frequency converters employ a "unit series multi-level" topology, delivering low input/output harmonics and excellent output waveform quality.
2. The "high-high" direct input-output mode directly outputs high voltage without the need for a step-up transformer;
3. The control system employs vector control without speed sensors, utilizing a 32-bit floating-point DSP chip for faster processing.
4. The power unit of the frequency converter and the main control system communicate with each other by optical fiber, which has high communication rate and anti-interference ability, and good security;
5. Instant power failure restart function, the inverter can continue to run without tripping under the condition of 35% voltage drop;
6. Unique fast power unit bypass technology, which can continue to run without switching off when the power unit fails;
7. The frequency converter has no requirements on the output cable length, and the motor is not affected by common mode voltage and dv/dt.
The application of high voltage frequency converter on synchronous motor meets the load starting of permanent magnet motor.
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