oltc operation
TRANSCRIPT
YOU ALL
EASUN MR
WELCOMES
FOR OLTC PRESENTATION
Easun - MR (EMR)
"EMR, is an Indo-German Joint Venture with "Maschinenfabrik Reinhausen GmbH, Germany (MR)" and the "Easun Group" of India.
Easun - MR's factory is equipped with state-of-art infrastructural facilities to cater to the precision manufacturing requirements of its final product "On Load Tap Changer (OLTC)" used in the transformer industry.
Global Partner
Maschinenfabrik Reinhausen GmbH, (MR), Germany, the
Joint Venture partner in EMR are the technology leaders in Voltage regulation equipment and caters to the requirements of the Power Segment World
Wide.
MR is committed in the Joint Venture of EMR in India and
is fully involved in the enterprise both technically
and financially.
Kinds of OLTC
TYPE M
TYPE D
TYPE V
TYPE A
Drive Mechanism MA2
Step by Step operation is by SNAP action switch.
Revolution per tap change = 33 revolutions.
Drive Mechanism MA9
Step by Step operation is by CAM switch.
Revolution per tap change = 30 revolutions.
Bevel Gear
G-7 G-8
G-7/1 G-7/2 G-8/1 G-8/2
1:12:14:1
1:12:14:1
VARIANT
TYPE
RATIO
Oil Surge Relay RS 2001
PROTECTIVE RELAY-RS2001
OIL SURGE RELAY(OSR)
Trips at Velocity of 0.8m/sec
How to
read the specification
of
OLTC
Linear Reversal(W) Coarse Fine(G)
•Current Rating up to 600 Amps with 3-pole & up to 1800 Amps with 1-pole.
•Voltage Class up to 300 kV Class catering up to 440 kV transformers.
•Both Star & Delta applications are available. •Step Voltage is 3300 Volts.
•Seperate Diverter & Selector Model. •Bi-directional Power Flow.
•Very compact dimensional arrangement. •Linear version is available up to 18 positions.
•Up to 35 Positions are available with pre-Selector Arrangement.
TYPE M
TYPE M
Drive shaft
ASSEMBLER POSITION
ASSEMBLERPOSITION
DRIVESHAFT
TOP DRIVE UNIT
RIGHT LEFTAnticlock-RAISE Clockwise-RAISE
IF MA-2=16.5 rev/tap for M type without DMIf MA-9=1 rev/tap for M type without DM
Exploded view of
Type M
Functional Diagram of M type OLTC
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Transition Sequence of Diverter Switch
13579
11
2468
1012
Output
Measuring of Transition Resistance
Type D
•Current Rating up to 500 Amps with 3-pole & up to 1500 Amps with 1-pole.
•Voltage Class up to 220 kV Class. •Both Star & Delta applications are
available. •Step Voltage is 2500 Volts.
•Seperate Diverter & Selector Model. •Bi-directional Power Flow.
•Linear version is available up to 18 positions.
•Up to 35 Positions are available with pre-Selector Arrangement.
TYPE-D
G-8
21