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Three Phase Variable Transformer

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MOQ : 100 Kilovolts

Three Phase Variable Transformer Specification

Working Temperature
0C to 45C

Output Current
5A to 700A (depending on model)

Power Factor
Approx. 0.95

Application
Testing, Laboratories, R&D, Industrial Control, Calibration

Noise Level
Less than 50 dB

Operating Temperature
0C to 45C

Rated Power
Model Dependent (maximum 500 kVA)

Features
Smooth output voltage control, Linear output, High overload capacity, Rugged construction

Phase
Three Phase

Current Range
0 to Max rated output current

Rated Current
Model Dependent

Connector Type
Heavy Duty Input/Output Terminals

Power Supply
AC supply, 3 phase 4 wire

Cooling Method
Air cooled (fan forced in higher ratings)

Output Type
Variable AC Voltage

Product Type
Three Phase Variable Transformer

Output Power
3 kVA to 500 kVA (varies with model)

Output Frequency
50/60 Hz

Input Voltage
415 V AC, 3 Phase

Voltage Protection
Over-voltage, Under-voltage Protection

Efficiency
Greater than 95%

Material
Copper wound, CRGO Silicon Steel Core

Line Regulation
<1%

Storage Temperature
-25C to +70C

Weight
Varies with rating (e.g., approx. 40 kg for 10 kVA)

About Three Phase Variable Transformer

Backed by our two decades of domain experience, we are offering excellent quality Variable Power Supply. This power supply is used for producing adjustable voltage power supply and is suitable for regulated variable DC power supplies. The offered power supply is manufactured by utilizing fine grade raw material and advanced manufacturing techniques as per the global industry standards under the stern supervision of our technical experts. This Variable Power Supply is made available for our customers in various technical specifications and at affordable rates.

Key Features:

Fast functionality
Hassle-free functionality
Less maintenance
Long service life

Superior Voltage Control for Industrial Precision

Engineered for reliability, this transformer offers smooth, linear voltage adjustment with a heavy-duty copper wound design. Its high overload capacity and stable line regulation (<1%) make it ideal for exacting industrial and laboratory applications, while manual or motorized operation adapts easily to diverse requirements.

Built to Withstand Demanding Environments

The transformer is rigorously constructed with Class F or H insulation, powder-coated MS sheet enclosure, and CRGO silicon steel core to ensure durability. Operating reliably in relative humidity up to 90% and altitudes up to 1000 meters, it handles challenging conditions without performance loss.

FAQs of Three Phase Variable Transformer:

Q: How is the output voltage of the transformer adjusted?

A: The output voltage can be adjusted smoothly and precisely using a manual hand-wheel or optional motorized drive, allowing users to easily set the voltage level as per their application needs.

Q: What types of applications are best suited for this transformer?

A: This variable transformer is ideal for testing, laboratory experiments, industrial process control, calibration, and R&D purposes, offering linear output and rugged construction for constant, reliable operation.

Q: When should I use the motorized adjustment option instead of the hand-wheel?

A: The motorized drive is recommended when frequent or remote voltage adjustments are needed, or in environments where manual intervention is impractical or hazardous.

Q: Where can this transformer be installed?

A: Designed for floor mounting, it can be installed in industrial facilities, laboratories, R&D centers, and any location requiring precise three-phase voltage control. Its IP21 enclosure affords basic protection, with upgraded ratings available for harsher sites.

Q: What protective features are included in this transformer?

A: Built-in over-voltage and under-voltage protection safeguard connected equipment, while robust design and reliable insulation add additional safety layers for operators and installations.

Q: How does the transformer ensure reliable performance in various conditions?

A: With Class F/H insulation, a cooled enclosure, and optimal materials such as copper windings and CRGO silicon steel core, the transformer maintains efficiency above 95% across a wide range of temperatures, humidity, and voltage loads.

Q: What are the main operational benefits of this three phase variable transformer?

A: Users benefit from smooth voltage control, linear output, high overload tolerance, minimal noise, and user-friendly operation, making it a versatile solution for any three-phase variable voltage application.

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