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Switched Mode Power Supplies

 

PCTI provides the highest current/power ratings of any high-frequency SMPS' available globally.  Options include any voltage input or output, EMI/RFI filtering, computer control via RS232, RS485, IEEE488/GPIB or remote analog signals.  

 

Power ratings range from 2KVA/KW to 500KVA/KW and include AC/AC, AC/DC, DC/DC and DC/AC designs.  Applications include communications, transportation, industrial processes and more.

 

Our switched mode power supplies are built to customer order from a range of standard power and control modules, and offer high performance, high reliability and sophisticated control systems. A variety of computer interfaces are available to meet all of your power supply programming and control requirements.  If you need help in specifying your SMPS, click here for a DC Power Supply Application Data Sheet.  Click here to view some representative Switched Mode Power Supply project profiles.

 

30KW Switched Mode Power Supply

 

 

Switched Mode Power Supply Specifications

 

PCTI switching power supplies can support any combination of AC or DC inputs and outputs falling within the general parameters indicated below.   DSP control and monitoring can also allow for universal AC inputs to accommodate a wide range of inputs spanning the variety of global distribution services.

 

General

 

PCTI switched mode power supplies (SMPS) are solid state IGBT based on DSP PWM (digital signal processor, pulse width modulated) technology

 

 

Power Range: 1KVA to 500KVA (500KW)
Input Service:      Any AC or DC voltage available (AC may be 1 or 3 phase), our DSP based control can handle large voltage ranges (for example, 300-700DC) 
AC Input Frequency:    Any Frequency up to 20kHz
Output Service:    Any standard voltage.  AC may be 1 and 3 phase or DC voltages from 24 to 750VDC
Voltage Regulation: 0.1% for any line and load combination
AC Output Frequency:  Any Frequency up to 20kHz
Frequency Regulation: + 0.05%
Sine Wave Generation: PWM (pure sine) or Square Wave 
Control Technology: Digitally synthesized Pulse Width Modulation
THD-Linear Loads: 3%
THD-Nonlinear Loads: 4%
Efficiency: 90% or better

 

Standard Features

Front Panel Devices

Input Circuit Breaker

Start Pushbutton Stop Pushbutton

Fault Reset Pushbutton

Power On Indicating light

Output Ammeter

Output Voltmeter

Computer Interface/Remote Capability

Analog Signals: 4-20mA, 0-5V, 0-10V

Computer Interface:  RS232 (standard), RS485, IEEE 488.2, GPIB,

Functions: Start/Stop, Reset, Fault, Inhibit, Current Adjust, Voltage Adjust, Fault Indication (UV, OV, OC, other)

Protection

Overcurrent

Overvoltage

Undervoltage

Input Reverse Polarity

Overtemperature

Electronic

Current limiting

Input to output transformer isolation

Input MOVs

Output MOVs

Cooling Systems

Forced Air

Direct Water

Closed Loop Water to Water Heat Exchanger

Heatpipe

Natural Convection

Water System Protection: low flow, temperature, resistivity, leak detection, low level

Environmental

NEMA Enclosure Types: 1, 3R, 12, 4, 4X

Operating Temperature: -5°C to 40°C

Storage Temperature: -10°C to 65°C

Humidity: up to 90% non condensing

Standard Conformance

IEC, NEMA, NEC, IEEE

MIL-SPEC

Optional Features

For optional features, please consult the factory. Click here to Contact PCTI about switched mode power supplies.

 

 

 

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