A.2 Regenerative Unit Specifications
YASKAWA ELECTRIC
TOEP C710656 10B YASKAWA Power Regenerative Unit - R1000 Instruction Manual
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A.2 Regenerative Unit Specifications
Item
Specification
Input
Rated Voltage
Rated Frequency
200 V Class: 200 to 240 Vac 50/60 Hz
400 V Class: 380 to 480 Vac 50/60 Hz
Allowable Voltage
Fluctuation
-15 to +10%
Allowable Frequency
Fluctuation
±
2%
Control
Characteristics
Control Method
120
°
excitation method
Input Power Factor
0.9 minimum (for rated load)
Regenerative Torque
150% 30 s, 100% 25% ED 60 s, 80% continuous
Voltage Reference Range
200 V Class: 300 to 360 Vdc
400 V Class: 600 to 730 Vdc
Main Control Functions
Cooling fan on/off switch, MEMOBUS/Modbus Communication (RS-422/RS-485 maximum,
115.2 kbps)
Protection
Functions
Momentary Overcurrent
Protection
Operation stops when unit current is approximately 250% of the rated power supply current.
Open Fuse
Operation stops if the fuse opens.
Overload
Operation stops when unit current is 150% of the rated power supply current for 30 s.
Overvoltage Protection
(Output)
200 V class: Stops when DC bus voltage exceeds approximately 410 Vdc
400 V class: Stops when DC bus voltage exceeds approximately 820 Vdc
Overvoltage Protection
(Input)
200 V class: Stops when input voltage exceeds approximately 227 Vac
400 V class: Stops when input voltage exceeds approximately 554 Vac
Undervoltage Protection
(Output)
200 V class: Stops when DC bus voltage is below approximately 190 Vdc
400 V class: Stops when DC bus voltage is below approximately 380 Vdc
Undervoltage Protection
(Input)
200 V class: Stops when input voltage is below approximately 150 Vac
400 V class: Stops when input voltage is below approximately 300 Vac
Momentary Power Loss
Ride-Thru
Immediate stop after Momentary Power Loss is detected.
Power Supply Frequency
Fault
Operation stops if the input frequency deviates by
±
6 Hz of rated frequency.
Heatsink Overheat
Protection
Thermistor protection
DC Bus Charge LED
Remains lit until DC bus voltage is below 50 V
Environment
Area of Use
Indoors
Ambient Temperature
IP00/Open Type enclosure: -10
°
C to +50
°
C
IP20/NEMA Type 1 enclosure: -10
°
C to +40
°
C
Humidity
95 RH% or less (no condensation)
Vibration/Shock
2A03P5 to 2A0053, 4A03P5 to 4A0073
10 to 20 Hz at 9.8 m/s
2
20 to 55 Hz at 5.9 m/s
2
2A0073 to 2A0105, 4A0105 to 4A0300
10 to 20 Hz at 9.8 m/s
2
20 to 55 Hz at 2.0 m/s
2
Storage Temperature
-20
°
C to +60
°
C
Altitude
1000 m or lower, up to 3000 m with derating.
Protection Design
IP00/Open Type enclosure, IP20/NEMA Type 1 enclosure
Standard
• UL508C
• IEC/EN 61800-5-1
• IEC/EN 61800-3
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