VSR – SINGLE PHASE ELECTROMECHANICAL VOLTAGE STABILIZERS FROM 5KVA TO 40KVA

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Description

stabilizzatori monofase

VSR Servo Controlled voltage stabilizers use a toroidal transformer (variable transformer), a BUCK-BOOST transformer and an electronic circuit that controls the variable transformer rotation, thus adjusting output voltage.

With the control system which includes fast response time, high starting torque dc engine, it regulates the small voltage changes very fast. Servo-motor is put out of service by limit-switches when it is out of its working limits, and it is put out of service by control circuit when output voltage is automatically adjusted to the set value. When the regulation is complete the energy of the motor is cut by the help of electronic breaking circuit and it works silently.

SINGLE PHASE VOLTAGE STABILIZERS – WORKING PRINCIPLE

sch-vsr

MODEL VSR 105 107 110 115 120 125 130 140
Power KVA 10.5 15 22 30 45 60 75 100
Cos-phi from 0 to 1

INPUT

Input voltage 230Vac 1ph + N
Input voltage range from 170Vac ~ 260Vac (other ranges available on request)
Input frequency 50/60Hz ±10%
Input terminals Terminal blocks

OUTPUT

Output voltage 230Vac
Output accuracy ± 2%
Output current A 22 32 43 65 86 86 130 173
Overload capacity 200% load 1’
Output frequency 50/60Hz ±10%
Regulation speed 60-80V / sec
Full load efficiency min. 97%
Output terminals Terminal blocks
Display Digital Voltmeter with output voltage reading, Digital Amperometer

PROTECTIONS

Input protection Automatic circuit breaker
Output protection Overload – short circuit – Under/over voltage
By-Pass Manual bypass included
Surge suppressor. Optional
RFI/Harmonic filter Optional
Isolation transformer Available on request

OTHER DATA

Max ambient temp.°C -10° C ~ +40° C
Altitude 1000 m
Humidity 95% (without condensation)
Noise level < 50dB
Colour RAL7016
Dim. (WxDxH) cm. 52x35x27 55x45x30 55x55x90 55x65x90
Weight kg. 40 46 53 70 125 130 165 200

Additional Information

potenza kVA

6, 9, 12, 15, 22, 30