Transformers, Control Transformers, Power Transformers, Constant Voltage Transformer, Ultra Isolation Transformers, K Rated Isolation Transformers, Auto Transformer, Thane, India
  Profile . .
 

We are glad to introduce ourselves as one of the leading designers & manufacturers of  MAGNETICS  for last 25 years, in variety of ratings, shapes and sizes:
 

•  Control Transformers, Single & Three phase (Power and Communication)

 •  Power Transformers, Single & Three phase
 •  Three Phase to Two/ single Phase transformers (LeBlanc/ Scott/ Open delta)
 •  Solenoid Coils
 •  AC and DC Filter Chokes (designed and built to suite application)
 •  Constant Voltage Transformers (CVT), Single phase upto 5 KVA And 3 phase upto 15     KVA
 •  Ultra Isolation Transformers
 •  Magnetic amplifiers/ Saturable Reactors for various applications.
 •  Variable Reactors
 •  Swinging chokes (Non Saturable), with/ without controls
 •  High Frequency Transformers and Chokes (SMPS/ Inverters etc.)
 •  Low loss/ Efficient transformers in amorphous material
 •  Inverter grade transformers, with/ without built in choke
 •  Chokes for Power Factor control and PFC networks.
 •  High speed Cobalt based switching magnetic amplifiers
 •  Line and commutation Chokes and networks for Inverters/ Drives
 •  DI/DT Chokes for Power Devices.

 
We have design capability to design and build magnetics for your electronic circuits. Our motto is to design as per specifications/ or as per your design and produce equipment to give you a cost/ quality optimal solution.
 
 Our design capabilities are mainly in Power and Power Electronics areas:
 
•  Selection of appropriate Topology of Power Converter
•  Computation and modeling of power devices and control in conjunction with the     magnetic components.
•  Design of Magnetic components for various PWM waveforms.
•  Harmonic analysis and appropriate filter design.
•  Magnetics designed to support specific impedance criterion.
•  Design of Resonant Networks, and stability analysis.
•  Design of Magnetics with controlled leakage reactance.

Top   
  Product . .
 

 CONSTANT VOLTAGE TRANSFORMER : CVT
 
CONSTANT VOLTAGE TRANSFORMER
"SIGMA" CVT is a gadget that provides an answer to almost all power problems except power failure. This is a most reliable product, as it has no moving parts & electronic components. Working on magnetic saturation principle, its voltage correction is very fast and accurate. Besides this it provides a reasonable degree of isolation and very good noise rejection. Thus "SIGMA" CVT is an ideal power-conditioning product where power failure (Black-out) is rare.
 

ULTRAISOLATION TRANSFORMER : UIT
 
ULTRAISOLATION TRANSFORMER
“SIGMA" Ultra Isolation Transformer is a multishielded transformer. Special winding technique is employed while winding an Isolation Transformer, which reduces interwinding capacitance considerably. Isolation Transformer is designed to offer 'Clean Power' to the maximum by rejecting unwanted signals like common mode noise as well as differential mode noise generated by power consuming sources. It is enclosed in a well-ventilated enclosure.
 

K RATED ISOLATION sTRANSFORMERS : K
 
K RATED ISOLATION TRANSFORMERS
Controlled Power manufactures the widest range of power equipment for regulating, conditioning, isolating, purifying, and distributing incoming electrical power. State of the art technology is utilized in all products to optimize performance characteristics for various applications. This equipment is utilized in all products to optimize performance characteristics for various applications. This equipment is utilized to protect sensitive electronic systems from erratic operation and failure due to power line transients, noise, or factors due to high harmonic current caused by the load.
 
AUTO TRANSFORMER : AT
 
AUTO TRANSFORMER
The autotransformers are frequently used to convert local Power line Voltage to some other Voltage value needed for a particular piece of equipment. Most often, this conversion is from 125 Volts to 250 Volts, or 250 Volts to 125 Volts. Autotransformers may also be used in voltage reduction type, lighting energy saving units (economy models), it may also be used as soft-starters for squirrel-cage induction motors.
  Contact . .
 
Office Address
Sigma Electricals
A - 10 Friends Estate, Pokhran Road No. 1,
Upavan, Thane - 400 606. Maharashtra, INDIA.
Tel. : 91 - 22 - 6577 14 97
Telefax : 91 - 22 - 2585 37 21
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