V-Series Automatic Voltage Stabilizer

Voltage Fluctuation

In the real world power line voltage occurs frequently especially in industrial area. Every electrical equipments and devices do have a working voltage limit/tolerance. Some equipment are build to tolerate ±10% of nominal voltage while others ±5% or less depending on sensitivity.

Effects

The correct operation of electrical and electronic equipment depends on the voltage accuracy and stability. In the event of long time over voltage, it will lead to damage of the equipment; while long time under voltage will cause malfunction and computation errors of the electrical & electronic equipment.

Solutions

Installing QPS Automatic Voltage Stabilizer (AVS) or power line conditioner will ensure the continuity and quality of production.
Input voltage variation from:
Single Phase: 230VAC ±12%
Three Phase: 415VAC ±12% + Neutral (3 phase 4 wire)

  • excellent output voltage accuracy of within ±1.5% set value.
  • regulation correction time approximately 0.05 ~ 0.07 sec per volt.
  • minimum maintenance due to its simplicity in design.
  • easy installation.
  • tailor made to special voltages and configuration for example, three phase voltage without neutral or for outdoor configurations.

QPS Servo – Motor Automatic Voltage Stabilizer provides a continuous monitoring of the output voltage (true RMS sensing) by means of an electronic Control Circuit that compares the instantaneous output voltage with the set value. When changes are detected due to fluctuation of supply voltage or sudden changes in load, an electrical signal will be transmitted to the servo – motor which is coupled onto the brush gear of the variable transformer, causes the brush gear to rotate until the appropriate voltage is restored. This method of stabilization does not create interference or harmonic to the supply system. QPS Three phase Automatic Volltage Stabilizer also designed to cater for unbalanced load. This made possible with its independent phase monitoring system.

QPS Automatic Voltage Stabilizer offer high quality performance at competitive prices. They solve voltage unstable problems and increase productivity.

Power Line Conditioner

QPS power line conditioner (PLC) is a AVS with the inclusion of a shielded isolation transformer.

Technical Data

Input voltage

  • single phase: 230V ±12%
  • three phase: 415V ±12% + neutral

Output voltage (true rms)

  • single phase: 230VAC ±1.5%
  • three phase: 415VAC ±1.5%

Rated kva

  • single phase: 1KVA ~ 30KVA
  • three phase: 3KVA ~150KVA

Output waveform/distortion

  • sinewave/follow input

Response time

  • 0.05 ~ 0.07 sec/V

Frequency

  • 50 / 60Hz

Efficiency

  • > 95%

Over current protection

  • MCB / MCCB

Operating temperature

  • 0°C ~ 45°C SPD

Surge protection

  • 1 phase standard
  • 3 phase (optional)

Phase loss sensing protection

  • phase sensing relay (optional)

Automatic output delay on system

  • time delay (optional)

Single Phase V-series 230VAC
Technical Specification

model cabinet power rated output (KVA) rated / output current (A) input voltage variation (%) output accuracy dimensions (mm) (+/-)
h         w         d		 weight (kg)
(+/-)
VSS1–2 1 1 4 230V ± 12% ± 1.5% 183      200      220 8
VSS2–2 1 2 9 230V ± 12% ± 1.5% 200      230      245 10
VSS3–2 1 3 13 230V ± 12% ± 1.5% 283      260      330 23
VSS4–2 1 4 17 230V ± 12% ± 1.5% 283      260      330 24
VSS5–2 1 5 22 230V ± 12% ± 1.5% 283      260      330 24
VSS7–2 2 7.5 33 230V ± 12% ± 1.5% 370      270      560 45
VSS10–2 2 10 43 230V ± 12% ± 1.5% 370      270     560 50
VSS15–2 2 15 65 230V ± 12% ± 1.5% 370      270     560 53
VSS20–2 3 20 87 230V ± 12% ± 1.5% 640      400      375 57
VSS25–2 3 25 109 230V ± 12% ± 1.5% 640      400      375 68
VSS30–2 3 30 130 230V ± 12% ± 1.5% 640      400      375 73

Remarks: The dimensions indicated above is applicable for Automatic Voltage Stabilizer only. Please consult us if any further information is required.

Three Phase V-series 415VAC
Technical Specification

model cabinet power rated output (KVA) rated / output current (A) input voltage variation (%) output accuracy dimensions (mm) (+/-)
h         w         d		 weight (kg)
(+/-)
VST3–4 1 3 4 415V ± 12% ± 1.5% 530      200      460 32
VST6–4 1 6 8 415V ± 12% ± 1.5% 530      230      460 36
VST10–4 1 10 14 415V ± 12% ± 1.5% 660      360      600 75
VST15–4 1 15 21 415V ± 12% ± 1.5% 660      360      600 78
VST20–4 1 20 28 415V ± 12% ± 1.5% 660      360      600 96
VST25–4 1 25 35 415V ± 12% ± 1.5% 660      360      600 107
VST30–4 1 30 42 415V ± 12% ± 1.5% 700      380     810 115
VST40–4 1 40 56 415V ± 12% ± 1.5% 700      380     810 128
VST45–4 1 45 63 415V ± 12% ± 1.5% 700      380      810 134
VST50–4 1 50 70 415V ± 12% ± 1.5% 700      380      810 136
VST60–4 1 60 84 415V ± 12% ± 1.5% 700      380      810 180
VST75–4 1 75 104 415V ± 12% ± 1.5% 815      475      1070 213
VST100–4 1 100 139 415V ± 12% ± 1.5% 815      475      1070 248
VST125–4 1 125 174 415V ± 12% ± 1.5% 815      475      1070 270
VST150–4 2 150 209 415V ± 12% ± 1.5% 1490      660      580 385

Remarks: The dimensions indicated above is applicable for Automatic Voltage Stabilizer only. Please consult us if any further information is required.