Yaskawa Z1000U - Manual (Page 26)

Motor Type Induction Motors
Permanent Magnet
Motors
Comments
Application-Specific
Auto-Tuning
• Energy Saving Tuning
• Line to line resistance • Stationary
• Stator resistance
Automatically adjusts parameter
settings that concern electrical
characteristics of the motor.
Speed Search YES YES
Bi-directional speed detection of a
coasting motor to restart it without
stopping.
Energy-Saving Control YES –
Saves energy by always operating the
motor at its maximum efficiency.
Overexcitation
Deceleration
YES –
Provides fast deceleration without using
a braking resistor.
Commercial Power Switching
Selection
YES –
When the output frequency matches the
power supply frequency (60 Hz), the
PWM switching operation stops and
switches to operation with a direct
commercial power supply connection.
1.2 General Description
26 YASKAWA ELECTRIC TOEP C710636 10B Z1000U HVAC MATRIX Drive User Manual