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Which type of electrical power-related tranformer steps up the voltage to several hundred thousand volts in order to reduce energy losses?
Step-up transformers of the type you describe are three-phase transformers which, in the transmission system, are classified as 'power transformers'.
What is difference between mcc and pcc panels?
MCC panel is the bunch of motor feeders from where you can control power to connected motors, that's why it is called Motor Control Centre. PCC ( Power control centre), comprises of HT breaker's which controls power to transformers/ MCC's/ HT motors.
What does mva stand for in the turbo generator field?
There are two concerns here regarding loading on transformers of this size. First is the difference between MVA and MW. MW is just real power -- watts. MVA is total power which includes real power (MW) and reactive power (MVAR).--- http://en.allexperts.com/q/Electric-Power-Utilities-2405/operation-limit-oof-power.htm
What is the difference between an distribution trnansformer and power transformer?
The most obvious difference is their purpose. A CT is used to provide power system measurements to instrumentation - such as relays and metering equipment. These are typically designed to provide 1-5 amps in their secondary sides. A distribution transformer is used to provide power to costumers. These are designed to provide much higher current.CT's are designed to give a ratio of the primary current to the secondary - not specifically the same voltage. Due to this the voltage on the secondary side will vary depending on load (from a few volts to saturation level voltages). Distribution transformers provide a constant voltage at a varying current level.there are other differences as well - size, insulation, primary connection, etc.
What is the difference between PCC panel and PDB panel?
There is no difference between PCC ( Power Control Centre) and PDB (Power Distribution Board). Although they have different names, but their functions are same i.e. controlling power feeders.
