YASKAWA A1000 Installation Guide

44 YASKAWA ELECTRIC TOEP C710616 50B YASKAWA AC Drive - A1000 6-Phase/12-Pulse Input Installation Guide
4.1 Powering Up the Drive
4.1 Powering Up the Drive
Review the following checklist before applying power to the A1000.
Table 4.1 Checklist
Item to Check Description
Power supply
<1> Install a 6-Phase/12-Pulse isolation transformer with each of the output windings phase shifted by 30 electrical degrees or use a Hybrid 6-
Phase topology.
6-Phase/12-Pulse Isolated 380 to 480 Vac 50/60 Hz, 30 electrical degrees phase shifted each phase
Properly wire the power supply input terminals (R/L1, S/L2, T/L3, R1/L11, S1/L21, T1/L31). <1>
Check for proper grounding of drive and motor.
Drive output terminals and motor
terminals
Properly wire drive output terminals U/T1, V/T2, and W/T3 with motor terminals U, V, and W.
Control circuit terminals Check control circuit terminal connections.
Drive control terminal status Open all control circuit terminals (off).
Status of the load and connected
machinery
Decouple the motor from the load.

YASKAWA A1000 Specifications

General

Type	AC Drive
Series	A1000
Input Voltage	200-240V, 380-480V
Frequency Range	0-400 Hz
Horsepower Range	0.5 to 1000 HP
Power Range	0.4 to 630 kW
Control Method	V/f Control
Overload Capacity	150% for 60 seconds
Braking	Dynamic Braking
Communication	Modbus
Safety	Safe Torque Off (STO)
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheat
Operating Temperature	-10 to +50°C
Storage Temperature	-20 to 60°C
Humidity	5 to 95% RH (non-condensing)
Enclosure	IP20