SERVO AVR - PQC Series
SERVO AVR - PQC Series

SERVO AVR - PQC Series

Automatic Voltage Regulators (AVR)
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The PQC Series is a high-precision automatic voltage regulator using a contact auto-transformer, servo motor and automatic control circuit. During grid voltage instability or load fluctuations, the system automatically adjusts the output voltage through seamless fine movements to maintain the required downstream voltage.

Features
Load Compatibility
Suitable for inductive, capacitive, power electronics and pulsating loads
Power Density
Compact footprint with central servo motor placement
Cost Effectiveness
Wide range of ratings for more accurate sizing and selection
Low Cost of Ownership
Low magnetic leakage, low noise and long carbon brush service intervals
Control
Advanced microchip automatic voltage control
Single Phase Specifications
AC Input Voltage
150-260 V
Frequency
50 Hz
Input Connections
Hardwired L+N+PE
Output Voltage
220/230 V selectable ±3%
Waveform
Sinusoidal
Efficiency
≥96%
Power Factor
0.8
Response Time
<1 s ±10%
Voltage Correction Range
150-260 Vac
Protections
Startup delay, short circuit, over temperature, mechanical failure, over current
Insulation Resistance
≥2M Ω
Operating Temperature
0°C to 40°C
Altitude
0-1000 m
Relative Humidity
0%-95% non-condensating
Single Phase Models
PQC-1Ki1
1 kVA | 176 × 190 × 146 mm | 5 kg
PQC-5Ki1
5 kVA | 325 × 240 × 275 mm | 15 kg
PQC-10Ki1
10 kVA | 412 × 244 × 372 mm | 24 kg
PQC-15Ki1
15 kVA | 400 × 345 × 665 mm | 43 kg
Three Phase Specifications
AC Input Voltage
275-455 V
Frequency
50 Hz
Input Connections
Hardwired 3L+N+PE
Output Voltage
380/400 V selectable ±5 V
Waveform
Sinusoidal
Efficiency
≥96%
Power Factor
0.8
Response Time
<1 s ±10%
Voltage Correction Range
275-455 Vac
Protections
Startup delay, short circuit, over temperature, mechanical failure, over current, phase sequence, phase failure
Insulation Resistance
≥2M Ω
Operating Temperature
0°C to 40°C
Altitude
0-1000 m
Relative Humidity
0%-95% non-condensating
Three Phase Models
PQC-20Ki3
20 kVA | 500 × 445 × 820 mm | 63 kg
PQC-30Ki3
30 kVA | 500 × 445 × 820 mm | 107 kg
PQC-50Ki3
50 kVA | 550 × 545 × 1020 mm | 300 kg
PQC-100Ki3
100 kVA | 600 × 545 × 1210 mm | 408 kg
PQC-225Ki3
225 kVA | 800 × 750 × 1550 mm | 825 kg

The PQC Series is a high-precision automatic voltage regulator using a contact auto-transformer, servo motor and automatic control circuit. During grid voltage instability or load fluctuations, the system automatically adjusts the output voltage through seamless fine movements to maintain the required downstream voltage.

SERVO AVR PQC Series Datasheet

datasheet

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