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AC Power Systems

The AC power systems generally represent energy sources which furnish AC power outputs when an AC input is applied. This section includes general AC to AC supplies, DC to AC inverters, along with specific products of alternators, line conditioners, AC power strips, etc.
AC Power Strips (34 Companies)
A power strip (also known as a power outlet, power bar, etc.) is a strip of sockets attached to the end of a flexible cable allowing multiple devices to be plugged in. Refers to complete assembly with the power strip on one end and a plug on the other.
General purpose AC to AC power supplies which change an AC input into an AC source capable of supplying 1 to 10 KVA to a load.
A Constant Current Power Supply can be represented as a four terminal active device. The input represents a DC voltage source for basic current regulators, and it represents AC line voltage, complete with rectifiers and filters.
A regulated power supply which acts to keep its output voltage constant in spite of changes in load, line or temperature. Thus, for a change in load resistance, the output voltage remains constant, while the output current changes.
Power supply with a kilovolt-ampere (a unit of electrical power equal to 1000 volt-amperes) greater than 10.
AC to AC power supply which can exceed a voltage drop of 500 volts or more.
AC to AC Isolated Power Supplies is a conductor, circuit, or device that is not only insulated from another (or others), but the two are mutually unable to engender current, emf, or magnetic flux in each other.
Power supply with a kilovolt-ampere (a unit of electrical power equal to 1000 volt-amperes) less than 1.
An AC Linear Power Supply uses a transformer to convert the voltage. The voltage produced by an unregulated power supply will vary depending on the load. For critical applications a linear regulator will be used to stabilize and adjust the voltage
Furnishes defined multiple AC power outputs when an AC input is applied.
Programmable AC to AC power supplies are primary AC output power supplies, but where the output voltage and/or frequency has the capability to be adjusted or programmed via computer control or a test program.
Furnish AC power outputs when an AC input is applied and are available in a rack-mounted housing.
A Redundant Power Supply includes two (or more) units within it, each of which is capable of powering the entire system by itself. If there is a failure in one of the units, the other one will take over to prevent the loss of power to the PC.
Universal Input AC to AC Power Supplies refer to power supplies that can accept an AC main supply voltage across a wide range of input voltages (typically: 85–264V AC) without manual selection.
Alternators (30 Companies)
An alternator or motor generator set is a device for converting electrical power to another form. Generally consists of an electric motor mechanically coupled to an electric generator (or alternator).
An inverter is an electrical or electro-mechanical device that converts DC to AC. Inverters are used in a wide range of applications, from small switching power supplies in computers, to large electric utility applications that transport bulk power.
An electrical or electromechanical device that converts DC to AC also called an inverter.
A Frequency Phase Converter is a circuit, device or machine that changes an alternating current from one frequency to another, with or without a change in voltage or number of phases.
A LISN is a device typically designed to allow for measurements of the electromagnetic interference and/or impedance existing on the power line.
Power Distribution Unit is an electrical device used to control the distribution of power to individual loads. The PDU may be a stand-alone controlled device or it may be integrated directly into the UPS.
Power Distribution Systems include a rack mountable housing and electrical power input and output assemblies. External circuits adapted for hardwired to remote equipment; internal circuits to receive electrical equipment plug.
A common method of AC power transmission. It is a polyphase system used to power large motors. A three-phase system uses less conductor material to transmit electric power than equivalent single-phase or two-phase systems at the same voltage.
Uninterruptible power supplies (UPS) are devices that operate in conjunction with existing electrical systems to provide power conditioning, back-up protection and distribution for electronic equipment loads.

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