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Automatic Servo Voltage Regulators Stabilizers




How to choose a Servo Stabilizer

There can be three types of loading conditions in an electrical system
a. All the loads are of three-phase nature.
b. There is a mixture of three-phase and single-phase loads.
c. All the loads are of single-phase nature.

In view of the above facts and the guiding principle, the choice of a three phase stabilizer for condition (a) and (b) falls on balanced load type stabilizer.

An unbalanced load type stabilizer should be used only for option ©

In spite of the selection of the type of 3- phase stabilizer, it is imperative to point out that the neutral needs to be solidly grounded for proper functioning of the electrical system.

Choosing the right KVA of a Servo Stabilizer
Some thumb rule conversions factors for choosing the right KVA of the Servo Stabilizer.

a. KVA of Stabilizer = H.P. of lift * 3
b. KVA of Stabilizer = Tonnage of A.C. plant * 2
c. KVA of Stabilizer = H.P. for Resistive loads
d. KVA of Stabilizer = H.P. or K.W./ Power factor for Reactive loads.

The stabilizer KVA needs to ascertained and designed using the pack conditions.

SPECIFICATION OF SERVO VOLTAGE REGULATOR

                                            Single Phase                                Three Phase

 
 

 

Input Volts*

130-280V

280 – 460V / 300 – 460V

Output Volts*

230 +/- 1%

380/400/415  +/-1%

Efficiency

>95%

>97%

Frequency

48-52 Hz

48-52 Hz

Wave Form Distortion

Nil

Nil

Temperature

Depends on type of cooling and IS Specifications

Environment

Designed for indoor tropical use

 

APPLICATIONS:

CNC Machines

Air Conditioning Plants

Telecommunication Networks

Motor Loads

Data Processing Equipment

Bio Medical Equipment

Drives, PLC’s

Induction Heating

Hotels

Defense Application

Industrial Units

Lighting Loads

Residential/ Offices

Farm Houses

R & D Institutions

Sophisticated Laboratories

ACCESSORIES:

STANDARD

OPTIONAL

Auto/Manual Switch

Low/High voltage trip

Voltmeter on Output

Short Circuit Protection

Output Volts Adjust

Single Phasing Protection

Lower/Raise in manual

Input/Output Voltage Metering

Mains Indication

Reverse Phase Protection

Voltmeter/Ammeter

Isolation Transformer

Selector Switch (30 units)

Temperature Gauge

 

Silica Gel breather

 

Change over Switch

 

Oil drain valve