HSI MAX series 1000w 1200w pure sine wave inverter with soalr charge controller
AC motor:
An "AC motor" is a machine used to realize the mutual conversion of mechanical energy and AC electrical energy. Due to the tremendous development of AC power systems, AC motors have become the most commonly used motors. Compared with the DC motor, the AC motor has a simple structure, is easy to manufacture, and is relatively firm because there is no commutator. It is easy to make a motor with high speed, high voltage, high current and large capacity. AC motor power covers a wide range, from a few watts to hundreds of thousands of kilowatts, or even millions of kilowatts. In the early 1980s, the largest steam turbine generator had reached 1.5 million kilowatts.
1. AC motor power supply
AC motors generally use a three-phase system, because three-phase AC motors have obvious advantages in terms of performance indicators, raw material utilization and price compared with single-phase motors. Three-phase motors with the same power are smaller in size, lighter in weight and lower in price than single-phase motors. Three-phase motors have self-starting capability. The single-phase motor has no starting torque, and some special measures need to be taken to solve the starting problem. The torque of the single-phase motor is pulsating and the noise is relatively large, but the required power supply is relatively simple, especially in the home, it is very convenient. Therefore, single-phase motors are mostly used in small household motors and instrument motors.
2. Frequency conversion speed regulation of AC motor
The frequency converter is the application of frequency conversion technology and microelectronic technology to control the electric drive element of the AC motor by changing the frequency and amplitude of the motor's working power supply.
The characteristics of the AC motor speed-regulating inverter: The low-frequency torque output is 180%, and the low-frequency running characteristics are good
■The maximum output frequency is 600Hz, which can control high-speed motors
■A full range of detection and protection functions (overvoltage, undervoltage, overload) restart after an instant power failure
■Protection functions such as acceleration, deceleration, and stall prevention during running
■Automatic identification function of motor dynamic parameters to ensure the stability and accuracy of the system
■Fast response during high-speed shutdown
■Rich and flexible input and output interfaces and control methods, with strong versatility
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