Description

This innovative drive utilizes 3 level control to offer the best solution for challenging installations. Yaskawa is the only manufacturer to offer a low voltage drive with this architecture. 3 level technology minimizes drive induced problems associated with long motor cables and premature motor bearing failures. In addition, overall electrical noise is greatly reduced, resulting in the most problem free installations. Not only does the Yaskawa G7 deliver this exclusive advantage, but it also provides high flexibility and excellent vector performance for control of speed, torque, and position, available in ratings through 500HP.

 

YASKAWA G7  Features

Performance Features

Ratings: 0.5 to 150 HP, 240 VAC

0.5 to 500 HP, 480 VAC

Overload capacity: Heavy duty, 150% for 1 minute, 200% peak

Starting torque: 150% at frequency;

1.0Hz (V/f), 0.5Hz (open loop vector), 0.0Hz (closed loop vector)

Output frequency: 0.01 to 400 Hz

Output frequency resolution: 0.001 Hz

Speed control range:

40:1 (V/f), 200:1 (open loop vector), 1000:1 (closed loop vector)

Speed regulation:

1.0% (V/f), 0.2% (open loop vector),

0.01% (closed loop vector)

Speed response: 60 Hz

Torque response: 300 Hz

Speed reference resolution:

0.01 Hz with digital reference,

0.03 Hz with analog reference,

0.01 Hz with network reference

Speed/Torque/Position control

Zero-servo mode

Adjustable accel/decel: 0.01 to 6000 seconds

S-Curve: 0.00 to 2.50 seconds, adjustable for each corner

Stall prevention: Accel / decel / running

Power loss ride-thru: Auto-restart or inertia ride-thru

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