controlled rectifier वाक्य
उदाहरण वाक्य
मोबाइल
- The electrical componentry is nevertheless markedly different : in the Re 4 / 4 II locomotives, controlled rectifiers ( phase fired controllers ) made of thyristors and diodes supply the traction motors with wavy direct current.
- The propulsion system was initially upgraded from the original mercury arc based Ignitron rectifiers to more reliable solid state silicon controlled rectifiers and later the main transformers had their coolant replaced with one that did not contain PCBs.
- Power devices such as silicon controlled rectifiers and thyristors ( as well as the mercury valve and thyratron ) allow control of the start of conduction, but rely on periodic reversal of current flow to turn them off.
- In addition to its use as the active device in relaxation oscillators, one of the most important applications of UJTs or PUTs is to trigger thyristors ( silicon controlled rectifiers ( SCR ), TRIAC, etc . ).
- Electrical soft starters can use parallel-connected silicon-controlled rectifiers ( thyristors ), but in some circumstances with three-phase control, the control elements can be a reverse-parallel-connected SCR and diode.
- Therefore, because the trigger-transformer has very low impedance, the transformer, triggering-circuit, and silicon controlled rectifier ( SCR ) must be able to handle very high peak-currents, often in excess of 1500 amps.
- A "'silicon controlled rectifier "'or "'semiconductor-controlled rectifier "'is a four-layer power engineers led by Gordon Hall and commercialized by Frank W . " Bill " Gutzwiller in 1957.
- A "'silicon controlled rectifier "'or "'semiconductor-controlled rectifier "'is a four-layer power engineers led by Gordon Hall and commercialized by Frank W . " Bill " Gutzwiller in 1957.
- This is the EMP phenomenon which grabs headlines for its potential to ( according to some commentators ) reverse-bias and destroy semiconductor junctions-hence, all manner of integrated circuits in cell phones, the computer you're reading this on, TVs and radios, and the computers and silicon-controlled rectifiers in all modern automobiles.
- Medium-power thyratrons found applications in machine tool motor controllers, where thyratrons, operating as phase-controlled rectifiers, are utilized in the tool's armature regulator ( zero to " base speed ", " constant torque " mode ) and in the tool's field regulator ( " base speed " to about twice " base speed ", " constant horsepower " mode ).
- Powerex offers a broad line of products, including IGBT; MOSFET Modules; Intelligent Power Modules ( IPM ); DIP-IPM; Module Accessories ( including Gate Drivers and DC-DC Converters ); Discrete Thyristors / SCR ( Silicon Controlled Rectifier ); Discrete Rectifiers; Thyristor and Diode Modules; Fast Recovery and Three-Phase Diode Modules; Assemblies; IGBT Assemblies; and Custom Modules.
- A video documentary about the Electric Vehicle Association's electric Pacers is titled " A change of Pace . " A fully restored wagon has had its original silicon-controlled rectifier ( SCR ) control replaced with a modern controller and the " hydraulically operated hybrid vehicle recharging system " removed because of its lack of efficiency to use compressed air from suspension travel to power a small generator to recharge the batteries.
- P 3 E's power electronics research is focused on the usage of very large power insulated-gate bipolar transistors ( IGBT ) for intermittent and steady state operation, the use of ultra high power silicon-controlled rectifiers ( SCR ) for pulsed power applications, research into advanced electrical and thermal packaging, robust controls to supply nonlinear loads such as plasma arcs, and high bandwidth monitoring and control of electric machines.
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