On Load Tap Changer Sequence

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© Maschinenfabrik Reinhausen GmbH

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Folie 2

Connection terminalsfor tap winding

Tap Selector

Diverter Switch

Connection leads

Folie 3

Sequence of complete tap change operation

Folie 4

Switching Sequence of OLTC Operation Diagram 10193W (Reversing Switch)

Electrical diagram Mechanical diagram

Take-off

diverter switch

tap selectortap winding

Reversingswitch

main winding

lower selector contact level

upper selector contact level

contact notap position

000/97

K

1

9

1

2

3

4

5

6

7

8

9

10

12

13

14

15

16

17

9a

9b

11

1

2

3

4

5

6

7

8

9

K

1

2

3

4

5

6

7

8

9

-

++

-

1 3

5

7

9

4 6

8

K

2

0

+ -

0

Folie 5

Switching Sequence of OLTC Operation Diagram 10193W (Reversing Switch)

Electrical diagram Mechanical diagram

Take-off

diverter switch

tap selectortap winding

Reversingswitch

main winding

lower selector contact level

upper selector contact level

contact notap position

000/97

K

1

9

1

2

3

4

5

6

7

8

9

10

12

13

14

15

16

17

9a

9b

11

1

2

3

4

5

6

7

8

9

K

1

2

3

4

5

6

7

8

9

-

++

-

1 3

5

7

9

4 6

8

K

2

0

+ -

0

Folie 6

Switching Sequence of OLTC Operation Diagram 10193W (Reversing Switch)

Electrical diagram Mechanical diagram

Take-off

diverter switch

tap selectortap winding

Reversingswitch

main winding

lower selector contact level

upper selector contact level

contact notap position

000/97

K

1

9

1

2

3

4

5

6

7

8

9

10

12

13

14

15

16

17

9a

9b

11

1

2

3

4

5

6

7

8

9

K

1

2

3

4

5

6

7

8

9

-

++

-

1 3

5

7

9

4 6

8

K

2

0

+ -

0

Folie 7

Switching Sequence of OLTC Operation Diagram 10193W (Reversing Switch)

Electrical diagram Mechanical diagram

Take-off

diverter switch

tap selectortap winding

Reversingswitch

main winding

lower selector contact level

upper selector contact level

contact notap position

000/97

K

1

9

1

2

3

4

5

6

7

8

9

10

12

13

14

15

16

17

9a

9b

11

1

2

3

4

5

6

7

8

9

K

1

2

3

4

5

6

7

8

9

-

++

-

1 3

5

7

9

4 6

8

K

2

0

+ -

0

Folie 8

Switching Sequence of OLTC Operation Diagram 10193W (Reversing Switch)

Electrical diagram Mechanical diagram

Take-off

diverter switch

tap selectortap winding

Reversingswitch

main winding

lower selector contact level

upper selector contact level

contact notap position

000/97

K

1

9

1

2

3

4

5

6

7

8

9

10

12

13

14

15

16

17

9a

9b

11

1

2

3

4

5

6

7

8

9

K

1

2

3

4

5

6

7

8

9

-

++

-

1 3

5

7

9

4 6

8

K

2

0

+ -

0

Folie 9

Switching Sequence of OLTC Operation Diagram 10193W (Reversing Switch)

Electrical diagram Mechanical diagram

Take-off

diverter switch

tap selectortap winding

Reversingswitch

main winding

lower selector contact level

upper selector contact level

contact notap position

000/97

K

1

9

1

2

3

4

5

6

7

8

9

10

12

13

14

15

16

17

9a

9b

11

1

2

3

4

5

6

7

8

9

K

1

2

3

4

5

6

7

8

9

-

++

-

1 3

5

7

9

4 6

8

K

2

0

+ -

0

Folie 10

Switching Sequence of OLTC Operation Diagram 10193W (Reversing Switch)

Electrical diagram Mechanical diagram

Take-off

diverter switch

tap selectortap winding

Reversingswitch

main winding

lower selector contact level

upper selector contact level

contact notap position

000/97

K

1

9

1

2

3

4

5

6

7

8

9

10

12

13

14

15

16

17

9a

9b

11

1

2

3

4

5

6

7

8

9

K

1

2

3

4

5

6

7

8

9

-

++

-

1 3

5

7

9

4 6

8

K

2

0

+ -

0

Folie 11

Switching Sequence of OLTC Operation Diagram 10193W (Reversing Switch)

Electrical diagram Mechanical diagram

Take-off

diverter switch

tap selectortap winding

Reversingswitch

main winding

lower selector contact level

upper selector contact level

contact notap position

000/97

K

1

9

1

2

3

4

5

6

7

8

9

10

12

13

14

15

16

17

9a

9b

11

1

2

3

4

5

6

7

8

9

K

1

2

3

4

5

6

7

8

9

-

++

-

1 3

5

7

9

4 6

8

K

2

0

+ -

0

Folie 12

Switching Sequence of OLTC Operation Diagram 10193W (Reversing Switch)

Electrical diagram Mechanical diagram

Take-off

diverter switch

tap selectortap winding

Reversingswitch

main winding

lower selector contact level

upper selector contact level

contact notap position

000/97

K

1

9

1

2

3

4

5

6

7

8

9

10

12

13

14

15

16

17

9a

9b

11

1

2

3

4

5

6

7

8

9

K

1

2

3

4

5

6

7

8

9

-

++

-

1 3

5

7

9

4 6

8

K

2

0

+ -

0

Folie 13

Switching Sequence of OLTC Operation Diagram 10193W (Reversing Switch)

Electrical diagram Mechanical diagram

Take-off

diverter switch

tap selectortap winding

Reversingswitch

main winding

lower selector contact level

upper selector contact level

contact notap position

000/97

K

1

9

1

2

3

4

5

6

7

8

9

10

12

13

14

15

16

17

9a

9b

11

1

2

3

4

5

6

7

8

9

K

1

2

3

4

5

6

7

8

9

-

++

-

1 3

5

7

9

4 6

8

K

2

0

+ -

0

Folie 14

Switching Sequence of OLTC Operation Diagram 10193W (Reversing Switch)

Electrical diagram Mechanical diagram

Take-off

diverter switch

tap selectortap winding

Reversingswitch

main winding

lower selector contact level

upper selector contact level

contact notap position

000/97

K

1

9

1

2

3

4

5

6

7

8

9

10

12

13

14

15

16

17

9a

9b

11

1

2

3

4

5

6

7

8

9

K

1

2

3

4

5

6

7

8

9

-

++

-

1 3

5

7

9

4 6

8

K

2

0

+ -

0

Folie 15

Switching Sequence of OLTC Operation Diagram 10193W (Reversing Switch)

Electrical diagram Mechanical diagram

Take-off

diverter switch

tap selectortap winding

Reversingswitch

main winding

lower selector contact level

upper selector contact level

contact notap position

000/97

K

1

9

1

2

3

4

5

6

7

8

9

10

12

13

14

15

16

17

9a

9b

11

1

2

3

4

5

6

7

8

9

K

1

2

3

4

5

6

7

8

9

-

++

-

1 3

5

7

9

4 6

8

K

2

0

+ -

0

Folie 16

Switching Sequence of OLTC Operation Diagram 10193W (Reversing Switch)

Electrical diagram Mechanical diagram

Take-off

diverter switch

tap selectortap winding

Reversingswitch

main winding

lower selector contact level

upper selector contact level

contact notap position

000/97

K

1

9

1

2

3

4

5

6

7

8

9

10

12

13

14

15

16

17

9a

9b

11

1

2

3

4

5

6

7

8

9

K

1

2

3

4

5

6

7

8

9

-

++

-

1 3

5

7

9

4 6

8

K

2

0

+ -

0

Folie 17

Switching Sequence of OLTC Operation Diagram 10193W (Reversing Switch)

Electrical diagram Mechanical diagram

Take-off

diverter switch

tap selectortap winding

Reversingswitch

main winding

lower selector contact level

upper selector contact level

contact notap position

000/97

K

1

9

1

2

3

4

5

6

7

8

9

10

12

13

14

15

16

17

9a

9b

11

1

2

3

4

5

6

7

8

9

K

1

2

3

4

5

6

7

8

9

-

++

-

1 3

5

7

9

4 6

8

K

2

0

+ -

0

Folie 18

Switching Sequence of OLTC Operation Diagram 10193W (Reversing Switch)

Electrical diagram Mechanical diagram

Take-off

diverter switch

tap selectortap winding

Reversingswitch

main winding

lower selector contact level

upper selector contact level

contact notap position

000/97

K

1

9

1

2

3

4

5

6

7

8

9

10

12

13

14

15

16

17

9a

9b

11

1

2

3

4

5

6

7

8

9

K

1

2

3

4

5

6

7

8

9

-

++

-

1 3

5

7

9

4 6

8

K

2

0

+ -

0

Folie 19

Switching Sequence of OLTC Operation Diagram 10193W (Reversing Switch)

Electrical diagram Mechanical diagram

Take-off

diverter switch

tap selectortap winding

Reversingswitch

main winding

lower selector contact level

upper selector contact level

contact notap position

000/97

K

1

9

1

2

3

4

5

6

7

8

9

10

12

13

14

15

16

17

9a

9b

11

1

2

3

4

5

6

7

8

9

K

1

2

3

4

5

6

7

8

9

-

++

-

1 3

5

7

9

4 6

8

K

2

0

+ -

0

Folie 20

Switching Sequence of OLTC Operation Diagram 10193W (Reversing Switch)

Electrical diagram Mechanical diagram

Take-off

diverter switch

tap selectortap winding

Reversingswitch

main winding

lower selector contact level

upper selector contact level

contact notap position

000/97

K

1

9

1

2

3

4

5

6

7

8

9

10

12

13

14

15

16

17

9a

9b

11

1

2

3

4

5

6

7

8

9

K

1

2

3

4

5

6

7

8

9

-

++

-

1 3

5

7

9

4 6

8

K

2

0

+ -

0

Folie 21

Switching Sequence of OLTC Operation Diagram 10193W (Reversing Switch)

Electrical diagram Mechanical diagram

Take-off

diverter switch

tap selectortap winding

Reversingswitch

main winding

lower selector contact level

upper selector contact level

contact notap position

000/97

K

1

9

1

2

3

4

5

6

7

8

9

10

12

13

14

15

16

17

9a

9b

11

1

2

3

4

5

6

7

8

9

K

1

2

3

4

5

6

7

8

9

-

++

-

1 3

5

7

9

4 6

8

K

2

0

+ -

0

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