BASICS OF CIRCUIT BREAKERS
Capicitor Application Issues
Capacitors must be built to tolerate voltages and currents in excess of their ratings according to standards. The applicable standard for power capacitors is IEEE Std 18-2002, IEEE Standard for Shunt Power Capacitors.
Heat as one of most common cause of motor failure
This slide speaks about that how motor operation fails due to heat. how heat affect motors?
Sunday, 31 May 2015
Sunday, 24 May 2015
Programmable Logic Controllers:Programming Methods and Applications
Programmable Logic Controllers:Programming Methods and Applications
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Wednesday, 20 May 2015
Fundamentals Of Electrical Distribution - EATON
Fundamentals Of Electrical Distribution - EATON
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Saturday, 16 May 2015
PROGRAMABLE LOGIC CONTROLLER APPLICATION GUIDE
PLC - Programming Methods and Applications – John R. Hackworth and Frederick D. Hackworth, Jr.
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Friday, 15 May 2015
BUS BAR SCHEMES
Introduction:
The selection of any bus bar system depends upon the
following:
1. Amount of flexibility required in operation.
2. Immunity from total shutdown.
3. Initial cost of the installation.
4. Load handled by the busbar.
Busbar systems are of the following types:
Single bus single breaker scheme:
Such busbar scheme is........
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SUBSTATION GROUNDING SYSTEM
SUBSTATION GROUNDING SYSTEM
Fundamental theory:
The
sole purpose of substation grounding/earthing is to protect the equipment from
surges and lightning strikes and to protect the operating persons in the
substation. The substation earthing system is necessary for connecting neutral
points of transformers and generators to ground and also for connecting the non
current carrying metal parts such as structures, overhead shielding wires,
tanks, frames, etc to earth. Earthing ofsurge arresters is
through the earthing system. The function of substation earthin......
Thursday, 14 May 2015
Introduction of Grid Station Main and Auxiliary Equipment
Introduction of Grid
Station Main and Auxiliary Equipment
TRANSFORMERS
Electrical
transformer is a static device which transforms electrical energy from one
circuit to another without any direct electrical connection and with the help
of mutual induction between to windings. It transforms power from one circuit
to another without changing its frequency but may be in different voltage
level.
USE OF POWER TRANSFORMER
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