VARIABLE TRANSFORMER DC POWER SUPPLIES
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Power Rectification Specialist, since 1945
CEHCO is manufacturer, re-seller, and distributor of Power Rectification products such as DC Rectifiers, Transformer Rectifier Assemblies, and Custom Power Supplies since 1945.
Our division L/C Magnetics Inc. (www.lcmagnetics.com) builds transformer products from 0.1 KVA to 100 MVA. All CEHCO transformers are built by L/C Magnetics Inc.
CEHCO is a repair and replacement specialist for obsolete and discontinued DC Rectifiers.
Send us an email for a Free Quote.
quote@cehco.com
Our engineers will respond within the hour.
ABOUT TRANSFORMER CONTROLLED VARIABLE DC POWER SUPPLIES
Variable DC power supplies are AC to DC power supplies with a variable DC output. The output can be varied with a Variable Transformer (also known as variac). The Variable Transformer can be adjusted manually or with a motorized control. The AC input power can be single phase or three phases. With single phase AC input, the DC output ripple is very high (50%). With three phase AC input, the DC output ripple is low (5%). This would be a key benefit for selecting three phase AC input instead of single phase.
Click the links below for further information.
NON-MOTORIZED VARIABLE TRANSFORMER CONTROLLED POWER SUPPLY, OUTPUT 0 TO 40 VDC, 10 AMPS, 0.4 KW, P/N 19195PS
NON-MOTORIZED VARIABLE TRANSFORMER CONTROLLED POWER SUPPLY, OUTPUT 0 TO 750 VDC, 0.5 AMPS, 0.5 KW, P/N 18407PS
NON-MOTORIZED VARIABLE TRANSFORMER CONTROLLED POWER SUPPLY, OUTPUT 0 TO 6 VDC, 300 AMPS, 1.8 KW, P/N 18194PS
MOTORIZED VARIABLE TRANSFORMER CONTROLLED POWER SUPPLY, OUTPUT 0 TO 120 VDC, 16 AMPS, 2 KW, P/N 208163V
NON-MOTORIZED VARIABLE TRANSFORMER CONTROLLED POWER SUPPLY, OUTPUT 0 TO 15 VDC, 200 AMPS, 3 KW, P/N 18318PS
NON-MOTORIZED VARIABLE TRANSFORMER CONTROLLED POWER SUPPLY, OUTPUT 0 TO 16 VDC, 600 AMPS, 9.6 KW, P/N 19451PS
NON-MOTORIZED VARIABLE TRANSFORMER CONTROLLED POWER SUPPLY, OUTPUT 0 TO 32 VDC, 600 AMPS, 19.2 KW, P/N 18422PS
MOTORIZED VARIABLE TRANSFORMER CONTROLLED POWER SUPPLY, OUTPUT 0 TO 250 VDC, 200 AMPS, 50 KW, P/N 18534PS
MOTORIZED VARIABLE TRANSFORMER CONTROLLED POWER SUPPLY, OUTPUT 0 TO 250 VDC, 200 AMPS, 50 KW, P/N 18534PS1
MOTORIZED VARIABLE TRANSFORMER CONTROLLED POWER SUPPLY, OUTPUT 12 TO 350 VDC, 500 AMPS, 175 KW, P/N 18557PS
The Variable Transformer Controlled units are more expensive, but the ripple on the output remains unchanged at 5% levels as output is lowered from the maximum
Most variable DC power supplies are custom built. Units can be an open frame or enclosed inside an enclosure. Input/output protections can be provided per customer requirements. Output voltage and current meters are provided per customer requirements. The units can be PLC controlled or Manual Potentiometer Controlled.
All major components like transformers and rectifiers are manufactured in-house by CEHCO to achieve the highest quality standard and to ensure the best use of raw materials. This allows us the capability of custom designing units to suit customer-specific requirements and meet quick delivery schedules. Our power supply engineers are available to answer all your questions. Please contact us at 714 624-4740, or send us an email at quote@cehco.com.
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