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` Delphi Series E48SP Eighth Brick Family DC/DC Power Modules
` Delphi Series E48SP Eighth Brick Family DC/DC Power Modules

... the spacing and separation requirements of the end-user’s safety agency standard, i.e., UL60950-1, CAN/CSA-C22.2, No. 60950-1 and EN60950-1+A11 and IEC60950-1, if the system in which the power module is to be used must meet safety agency requirements. Basic insulation based on 75 Vdc input is provid ...
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Bip Transistor 15V 700mA VCE(sat);300mV max. NPN Single MCP
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... Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment. The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpos ...
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...  A virtual ground is no more than a voltage divider where the divided network is the ground and the outer of the network are connected to the + & - of the single source of energy.  Virtual ground is a point in a circuit which is at ground potential (0 volts) but is NOT connected to ground. ...
partial discharge test with surge voltage in electric motors
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ACM20 Series - Murata Power Solutions
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... ROHM designs and manufactures its Products subject to strict quality control system. However, semiconductor products can fail or malfunction at a certain rate. Please be sure to implement, at your own responsibilities, adequate safety measures including but not limited to fail-safe design against th ...
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... current. Transients affect the performance of power system devices as well as measuring, controlling and protective devices. Recently transients are viewed as a potential power quality Problem. This increases the requirements on characterization and analysis of transient waveforms. Deep study is nee ...
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Variable-frequency drive



A variable-frequency drive (VFD) (also termed adjustable-frequency drive, variable-speed drive, AC drive, micro drive or inverter drive) is a type of adjustable-speed drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and voltage.VFDs are used in applications ranging from small appliances to the largest of mine mill drives and compressors. However, around 25% of the world's electrical energy is consumed by electric motors in industrial applications, which are especially conducive for energy savings using VFDs in centrifugal load service, and VFDs' global market penetration for all applications is still relatively small. That lack of penetration highlights significant energy efficiency improvement opportunities for retrofitted and new VFD installations.Over the last four decades, power electronics technology has reduced VFD cost and size and has improved performance through advances in semiconductor switching devices, drive topologies, simulation and control techniques, and control hardware and software.VFDs are available in a number of different low- and medium-voltage AC-AC and DC-AC topologies.
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