Isolation Transformers


Power Engineers and Consultants ( Regd.), E-731, Phase VIII, Focal Point, Ludhiana, Punjab – is a group of qualified engineers led by Mr. P.K. Maheshwary who is a degree holder (Electrical Engineering ) of 1972 batch from REC. THE PEC has been in operation in the field of Servo Controlled Voltage Stabilizers, Automatic Voltage Controllers, Electroplating Rectifiers, Servo Stabilizers, Anodizing Rectifiers, Electro Colouring Transformers, Distribution Transformers, Isolation Transformers, Variable DC or AC Power Supplies, Rectifier Transformers etc.

The systems are designed and supervised by a team of qualified engineers having more than 39 years of experience to provide best quality equipment leading to total customer’s satisfaction. We have more than 10,000 installations around the country and also exported numbers of equipment to U.S.A., U.K., Africa, Middle East Countries up to 4500 KVA.

Isolation / Ultra Isolation Transformer are being used to protect Electronic & Sophisticated equipments, CNC Machines from the excessive line voltage transients, spikes / surges produced in the system. Electrostatic shielding helps in grounding these spikes & not allowing to pass on to the secondary side of the transformer.

Multiple Shielding Techniques employed to reduce the inter winding capacitance to below 0.005 Pico farad and increases DC Isolation to over 1000 Mega ohms.

Technically any transformer that has no direct current path between its primary & secondary windings provides isolation from any kind of leakage in Current, Spikes / Surges produced in the system. Provision of electrostatic shield in between primary & secondary winding depends upon its construction, specification & performance characteristics.

500KVA Air Cooled Ultra Isolation Transformer

Air Cooled Transformer

750KVA Ultra Isolation Transformer

Ultra Isolation Transformer

Technical Specifications

Capacity 10 to 2000KVA
Voltage Ratio
415V AC 3ph / 415V AC 3ph or as per requirement
Type of Cooling
ONAN / Natural Air / Forced Air
System Connections
Delta / Star or as per requirement
1:1 or as per requirement
Power Factor
0.75 lead to 0.75 lag
Insulation Resistance
Better than 5Mega Ohm
Coupling Capacitance
0.01 PF for 100 Db
Leakage Current
Less than 20 Micro Amps
Type of Execution
Closed Type
Operating Temperature
0°C to 45°C
Isolated Transformer

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