Power Converters – Electric Facilitators in Specialty Vehicles

Posted by Ernest Herz / July 14, 2012 / NEWS

We live in a world of mobility and portability. A myriad of facilities, once existing only in stationary environments, operate today in mobile venues called specialty vehicles. They can be broken down by their three major user categories:
a) Civilian
b) Industrial
c) Military

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Computers Trickle Down DC Power

Posted by Patel Ikshishni / June 17, 2012 / NEWS

All electronic devices require DC power to operate.

Many, who have assembled a modern PC are aware of the component diversity found within. Circuit topology identified by names such as TTL and CMOS, are implemented as parts of circuit function blocks such as CPUs, ROMs, RAMs, EEPROMs, and Hard Drives. Each circuit is known to have its particular voltage demands from the power supply. As well each of these circuit blocks may have its own DC-DC converter to make certain that not only does it receive proper voltage, but also to ensure that this voltage is maintained within close tolerances. Deviation from the nominal voltage may result in damage to the circuit or the loss of proper function causing data corruption. Typically these DC-DC converters are of the small step down mono blocks, which plug into a circuit board and supply a defined local circuit. Levels of power normally available from such DC-DC converters are in the 2 to 10 Watt range and their output voltages may have standard values specified by the manufacturers of the types of integrated circuits they are intended to energize. DC voltages of 3.3V, 5V, 12V, 15V, 24V are common.

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SPECIFYING THE DC-DC CONVERTER

Posted by Dave Davis / June 03, 2012 / NEWS

In our last article we focused on the distinction between the AC transformer and the DC to DC power supply, frequently referred to as the DC to DC converter. Here, we explain the importance of specifying them to suit environment and/or application. Defined environments coupled with desired electrical specifications make up the comprehensive specification of a given DC-DC converter.

The two key factors confronting the manufacturer of a DC DC converter are:
1) where th DC Converter will be used and
2) what will be the DC Converter load; i.e. what is it intended to power.

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DC CONVERTER AND TRANSFORMER TERMINOLOGY

Posted by Ernest Herz / April 30, 2012 / NEWS

The distinction between “power converters” and “power transformers” begins with an understanding of the two basic forms of electricity transmission. They are commonly referred to as AC and DC systems. AC is the abbreviation for “alternating current”. AC operating at 60 Hz. describes an electrical current shifting direction, to and fro, in a circuit 60 times per second. Alternating current is the electrical format typically available in most buildings from electrical utility sockets on the power grid. (120 Volts AC in North America)

What is DC power? DC is the abbreviation for “direct current”, current constantly flowing in the same direction. One of the most commonly recognizable sources of DC power is the battery.

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