• Input Voltage170V - 270V (50Hz)
• Output Voltage220V/230V +/- 2%
• EfficiencyBetter than 80% at rated load
• CMRR Noise Rejection100 dB    
• Total galvanic Isolation3 kV
• Energy Storage3 msecs.
• Protectiona.  Continuous output short circuit b.  Over load (Output droop characteristic
• Correction TimeLess than 40 Milliseconds
• Output wave formSinewave, THD less than 5%

• Over 1000 Mega Ohms between any windings or windings to groundInterwinding Capacitance
• :Within 4%
• Common Mode Noise Rejection:
• Over 120 dbBreak Down Strength
• Acceptable Line Frequency:
• 47 to 63 HzEfficiency
• Ratio:
• 1 : 1Load Regulation
• DC Isolation:

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. Product Features : The ULTRA K has many features to assure the user of reliable, trouble free, safe operation if the proper K-rating is utilized. A Few of the many features are: Multiple K-rating selection, K-4, K-7, K-13, K-20 Designed for linear and nonlinear loads All Copper construction Removes triplen harmonic currents from the line High Efficiency UL Listed for K-Factor Operation Double or triple shield for high common mode noise attenuation Transverse mode noise attenuation Optional filter for additional high-frequency mode noise attenuation Solves 88% of typical power disturbance problems Heavy-duty cabinet construction Optional lightning surge protection - CAT B3 Optional input/output breakers

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. Unlike an Isolation transformer, autotransformers use common windings and offer no interference or disturbance isolation, it would obviously a low cost option for voltage ratio conversion . You add any Suppression or Filtering networks your system requires.  

Three-legged, saturable-core reactor. SECOND HALF CYCLE another approach to solving the problem of load flux affecting control flux is shown in figure. Figure shows a toroidal saturable-core reactor. The shape of these cores is a toroid (donut shape). The windings are wound around the cores so that the load flux aids the control flux in one core and opposes the control flux in the other core.

Sigma specializes in designing and manufacturing, optimally designed Buck-Boost Transformers for your servo stabilizer/ solid-state stabilizer. Sigma also manufactures control transformers to suit your needs. Higher power transformers mainly used in power electronic equipment like Battery chargers, FCBC, UPS are supplied by sigma.

• Input Voltage170V - 270V (50Hz)
• Output Voltage220V/230V +/- 2%
• EfficiencyBetter than 80% at rated load
• CMRR Noise Rejection100 dB    
• Total galvanic Isolation3 kV
• Energy Storage3 msecs.
• Protectiona.  Continuous output short circuit b.  Over load (Output droop characteristic
• Correction TimeLess than 40 Milliseconds
• Output wave formSinewave, THD less than 5%

• Over 1000 Mega Ohms between any windings or windings to groundInterwinding Capacitance
• :Within 4%
• Common Mode Noise Rejection:
• Over 120 dbBreak Down Strength
• Acceptable Line Frequency:
• 47 to 63 HzEfficiency
• Ratio:
• 1 : 1Load Regulation
• DC Isolation:

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. Product Features : The ULTRA K has many features to assure the user of reliable, trouble free, safe operation if the proper K-rating is utilized. A Few of the many features are: Multiple K-rating selection, K-4, K-7, K-13, K-20 Designed for linear and nonlinear loads All Copper construction Removes triplen harmonic currents from the line High Efficiency UL Listed for K-Factor Operation Double or triple shield for high common mode noise attenuation Transverse mode noise attenuation Optional filter for additional high-frequency mode noise attenuation Solves 88% of typical power disturbance problems Heavy-duty cabinet construction Optional lightning surge protection - CAT B3 Optional input/output breakers

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. Unlike an Isolation transformer, autotransformers use common windings and offer no interference or disturbance isolation, it would obviously a low cost option for voltage ratio conversion . You add any Suppression or Filtering networks your system requires.  

Three-legged, saturable-core reactor. SECOND HALF CYCLE another approach to solving the problem of load flux affecting control flux is shown in figure. Figure shows a toroidal saturable-core reactor. The shape of these cores is a toroid (donut shape). The windings are wound around the cores so that the load flux aids the control flux in one core and opposes the control flux in the other core.

Sigma specializes in designing and manufacturing, optimally designed Buck-Boost Transformers for your servo stabilizer/ solid-state stabilizer. Sigma also manufactures control transformers to suit your needs. Higher power transformers mainly used in power electronic equipment like Battery chargers, FCBC, UPS are supplied by sigma.