Parallel Operation of Two Single Phase Transformers

SALIENT FEATURES :
Parallel operation of Two Single Phase Transformers is a versatile, self contained and standalone
unit. It helps the students in understanding the concept of connecting two transformers in parallel, Polarity of
transformers and loading of transformers. The unit consists of two identical single phase transformers of 1
KVA rating each, voltmeters, Ammeters, MCB, etc all housed in an elegant metal cabinet with a well spread
intelligently designed panel layout on the front panel. The unit is accompanied with a comprehensive
Instruction Manual complete with theory, operating details, connection drawings and observation tables.
TECHNICAL SPECIFICATION
 Input Supply : 1 Phase, 230V, 50 Hz AC
 Experimental Transformer : 01 nos
Primary : 0 – 230V
Secondary : 0 – 200 – 230V
Current : 5A
Rating : 1 KVA
 Meters : All meters of 96 x 96 / 72 x 72 size Analog meters
1. Voltmeter : 0 – 500 V AC : 02 Nos
2. Ammeter : 0 – 10 A AC : 02 Nos
 Controls
Mains : 10A, 1Phase MCB
 Indicators : For Input Supply
 Load
1. Internal : Resistive ( Lamp ) Load
2. External : Provision for connecting external load.
 Experiments
1. Study and conduct the Polarity test on two single phase transformer.
2. Study and conduct parallel operation of two single phase transformers under equal voltage
ratio.
3. Study and conduct parallel operation of two single phase transformers under unequal
voltage ratio.

SPECIFICATIONS ARE SUBJECT TO CHANGE DUE TO CONSTANT
DEVELOPMENTS WITHOUT ANY PRIOR NOTICE