1.With speed negative feedback automatically regulated, its speed rate of change: the
first step<1.8%and the second step<2.5%.
2.Without runaway area of speed with techogenerator gauging speed.
3.Stable adjustable operating speed and wide range of adjustable speed, reaching 10:1
4.Good starting performance, smooth start and large moment.
5.Simple reliable structure and convenient maintenance.
6.Small power of controlling speed and easy to control in many ways.

Operating Condiyions:
Ambient temperature: -15℃≤θ≤40℃
Above sea level: not exceed 1000m Rated voltage: ±5%