ABB SGF User manual

1HDB 050016-YN-A

Two-Column Rotary Disconnector

Type SGF

Instruction Manual

Optionally with built on

Earthing Switch Type TEC

Rated Voltages : 36 - 362kV

Rated Current : 1600 - 3150 A

1HDB 050016-YN-A

Contents

1. Please Read First............................................................................. 1

1.1 Copyright ................................................................................ 1

1.2 Guarantee............................................................................... 1

1.3 Conventions............................................................................ 1

2. Function .......................................................................................... 2

2.1 Disconnector .......................................................................... 2

2.2 Earthing Switch ...................................................................... 2

2.3 Variants.. ................................................................................ 2

3. Mounting Alternatives .................................................................... 3

3.1 ParallelArrangement of Disconnector Poles ........................... 3

3.2 SeriesArrangement of Disconnector Poles ............................ 3

4. Basic Design .................................................................................. 4

4.1 Disconnector ......................................................................... 4

4.2 Earthing Switch ..................................................................... 5

5. Mode of Operating ......................................................................... 6

5.1 General ................................................................................. 6

5.2 Disconnector ......................................................................... 6

5.3 Earthing Switch ..................................................................... 7

5.4 Interlocking ............................................................................ 7

6. Technical Data ................................................................................ 8

6.1 General Electrical Data .......................................................... 8

6.2 General Mechanical Data ...................................................... 8

6.3 General Main Dimensions ..................................................... 9

6.4 Minimum Distances between Disconnector Poles ................. 10

7. Scope of Supply ............................................................................. 11

7.1 Disconnector ......................................................................... 11

7.2 Earthing Switch ...................................................................... 12

8. Shipping and Storage ..................................................................... 13

8.1 Shipping ................................................................................. 13

8.2 Storage .................................................................................. 13

9. Mounting, General .......................................................................... 14

9.1 Tools and Materials ................................................................. 14

9.2 Treatment of Contact Surface and Intersection Surface ......... 15

10. Mounting of Disconnector ............................................................. 16

11. Mounting of Operating Mechanism for Disconnector ............... 22

11.1 Direct Mounting ..................................................................... 22

11.2 Separate Mounting ................................................................ 26

12. Mounting of Coupling of Disconnectors, Cabling ........................ 34

1HDB 050016-YN-A

13. Mounting of Operating Mechanism

For Earthing Switch ...................................................................... 44

13.1 Direct Mounting .................................................................... 44

13.2 Separate Mounting ............................................................... 46

14. Mounting of Earthing Switch ........................................................ 54

14.1 Earthing Switch Poles in Parallel ........................................... 54

14.2 Earthing Switch Poles in Series

And Mounting on Individual Disconnector Poles ................... 64

15. Mounting of Mechanical Interlocking .......................................... 76

16. Commissioning and De-commissioning ................................... 78

16.1 Commissioning of Disconnector ........................................... 78

16.2 Commissioning of Earthing Switch ....................................... 78

16.3 Commissioning of Operating Mechanism

Of Disconnector .................................................................. 78

16.4 Commissioning of Operating Mechanism

For Earthing Switch ............................................................. 78

16.5 De-commissioning ............................................................. 79

17. Maintenance ................................................................................ 80

17.1 Treatment of Contact Surface and Intersection Surface ....... 81

17.2 Disconnector ....................................................................... 82

17.3 Earthing Switch ................................................................... 84

18. Spare Parts .................................................................................. 88

18.1 Order Information ............................................................... 88

18.2 Disconnector ...................................................................... 89

18.3 Earthing Switch .................................................................. 89

19. Lists of Item Numbers ................................................................ 90

19.1 Item Numbers .................................................................... 90

19.2 Connecting Sets ................................................................ 92

20. Index ........................................................................................... 97

21. Client’s Comments ..................................................................... 101

Contents of Figures

Figure 1 : 3-pole type SGF two-column rotary disconnector

in parallel arrangement (basic design) .................................... 3

Figure 2 : 3-pole type SGF two-column rotary disconnector

In series arrangement (basic design) ...................................... 3

Figure 3 : Basic design of type SGF two-column rotary disconnector ...... 4

Figure 4 : Basic design of earthing switch ............................................... 5

Figure 5 : Mode of operation

Of type SGF two-column rotary disconnector

(Example : 3-pole in parallel arrangement) .............................. 6

Figure 6 : Mode of operation of earthing switch

(Example : 3-pole in parallel arrangement).............................. 7

Figure 7 : General main dimensions

Of type SGF two-column rotary disconnector .......................... 9

Figure 8 : Minimum distances Pmin

Between poles of disconnector in parallel arrangement ........... 10

Figure 9 : Minimum distances Pmin

Between poles of disconnector in series arrangement ............ 10

Figure 10 : Scope of supply, disconnector ................................................ 11

Figure 11 : Scope of supply, earthing switch ............................................. 12

Figure 12 : Mounting of disconnector :

Shipping of disconnecetor base (2)

If mounting on supporting structure ......................................... 17

Figure 13 : Mounting of disconnector:

Shipping of premounted disconnector pole

If mounting in front of supporting structure

(Example : Version for rated normal current 1 600 A) ............... 17

Figure 14 : Mounting of disconnector ....................................................... 18

Figure 15 : Mounting of disconnector :

Mounting of corona-protection fittings (87) on rotary heads

(Only for rated voltage 300 & 362 kV) ..................................... 19

Figure 16 : Mounting of disconnector :

Mounting of corona-protection fittings (7) on finger side

(Only for rated voltages 245......362 kV) .................................. 20

Figure 17 : Mounting of disconnector :

Mounting of corona-protection fittings (7) on contact side

(Only for rated voltages 245 ... 362 kV) .................................... 21

Figure 18 : Mounting of operating mechanism for disconnector :

Direct mounting ...................................................................... 23

Figure 19 : Mounting of operating mechanism for disconnector,

Direct mounting : Mounting of operating lever (74)

If operating mechanism for disconnector

At operating side ..................................................................... 24

Figure 20 : Mounting of operating mechanism for disconnector,

Direct mounting : Mounting of operating lever (74)

If operating mechanism for disconnector

at opposite opening side ......................................................... 25

Figure 21 : Mounting of operating mechanism for disconnector,

Separate mounting : Measurement m3 < 6 m .......................... 27

Figure 22 : Mounting of operating mechanism for disconnector

Separate mounting if measurement m3 <, 6 m :

Mounting dimensions ............................................................. 28

Figure 23 : Mounting of operating mechanism for disconnector,

Separate mounting if measurement m3 = 6 .. 12 m :

Mounting dimensions ............................................................. 29

iii

1HDB 050016-YN-A

Figure 24 : Mounting of operating mechanism for disconnector,

Separate mounting if measurement m3 = 6 ... 12 m :

DetailsAand detail B .............................................................. 30

Figure 25 : Mounting of operating mechanism for disconnector,

Separate mounting : Laterally offset operating mechanism ..... 31

Figure 26 : Mounting of operating mechanism for disconnector,

Separate mounting : Mounting of operating lever (74)

If operating mechanism for disconnector at opening side ........ 32

Figure 27 : Mounting of operating mechanism for disconnector,

Separate mounting : Mounting of operating lever (74)

If operating mechanism for disconnector

At opposite opening side ......................................................... 33

Figure 28 : Mounting of coupling of disconnectors :

Overview ................................................................................ 35

Figure 29 : Mounting of coupling of disconnectors :

Disconnector poles in parallel ................................................. 36

Figure 30 : Mounting of coupling of disconnectors :

Disconnector poles in series ................................................... 37

Figure 31 : Mounting of coupling of disconnectors :

Mounting of operating rod (37) if operating mechanism

For disconnector at opening side ............................................ 38

Figure 32 : Mounting of coupling of disconnectors :

Mounting of operating rod (37) if operating mechanism

For disconnector at opposite opening side .............................. 39

Figure 33 : Mounting of coupling of disconnectors :

Adjustment of operating mechanism for disconnector

If operating mechanism for disconnector at opening side ........ 40

Figure 34 : Mounting of coupling of disconnectors :

Adjustment of operating mechanism for disconnector

If operating mechanism for disconnector

At opposite opening side ......................................................... 41

Figure 35 : Mounting of coupling of disconnectors :

Disconnector main contacts, engagement .............................. 42

Figure 36 : Mounting of coupling of disconnectors :

Disconnector main contacts, adjusting measurements ........... 43

Figure 37 : Mounting of operating mechanism for earthing switch :

Direct mounting ...................................................................... 45

Figure 38 : Mounting of operating mechanism for earthing switch,

Separate mounting Measurement m3 < 6 m ............................ 47

Figure 39 : Mounting of operating mechanism for earthing switch,

Separate mounting if measurement m3 < 6 m :

Mounting dimensions ............................................................. 48

Figure 40 : Mounting of operating mechanism for earthing switch,

Separate mounting if measurement m3 = 6 ... 12 m :

Mounting dimensions ............................................................. 49

Figure 41 : Mounting of operating mechanism for earthing switch,

Separate mounting if measurement m3 = 6 ... 12 m :

DetailAand detail B ................................................................ 50

Figure 42 : Mounting of operating mechanism for earthing switch,

Separate mounting : Laterally offset operating mechanism ..... 51

Figure 43 : Mounting of operating mechanism for earthing switch

Direct and separate mounting :

Mounting of operating lever (76) if operating mechanism

For earthing switch on contact side ......................................... 52

Figure 44 : Mounting of operating mechanism for earthing switch,

Direct and separate mounting :

Mounting of operating lever (76) if operating mechanism

For earthing switch on finger side ............................................ 53

1HDB 050016-YN-A

Figure 45 : Mounting of earthing switch,

earthing switch poles in parallel :

Mounting of earthing switch link (336) ..................................... 56

Figure 46 : Mounting of earthing switch,

earthing switch poles in parallel :

Mounting of earthing connections (79, 343),

detail 1 and detail 2 : Two earthing connections

for rated short-time currents > 40 kA, 1 s .................................. 57

Figure 47 : Mounting of earthing switch,

earthing switch poles in parallel : Spacing dimensions ............. 58

Figure 48 : Mounting of earthing switch,

earthing switch poles in parallel :

Mounting of coupling piece (342, 334)

for connection of earthing switch shafts (337)

for pole distances P > 2 500 mm .............................................. 59

Figure 49 : Mounting of earthing switch,

earthing-switch poles in parallel :

Mounting of earthing-switch lever (19)

and operating rod (71) if operating mechanism

for earthing switch on contact side ........................................... 60

Figure 50 : Mounting of earthing switch,

earthing-switch poles in parallel :

Mounting of earthing-switch lever (19)

and operating rod (71) if operating mechanism

for earthing switch on finger side .......................................... 61

Figure 51 : Mounting of earthing switch,

earthing-switch poles in parallel :

Adjustment of operating mechanism for earthing switch

if operating mechanism for earthing switch on contact side ...... 62

Figure 52 : Mounting of earthing switch,

earthing-switch poles in parallel :

Adjustment of operating mechanism for earthing switch

if operating mechanism for earthing switch on finger side ........ 63

Figure 53 : Mounting of earthing switch,

earthing-switch poles in series :

Mounting of earthing-switch links (336) ................................... 66

Figure 54 : Mounting of earthing switch,

earthing-switch poles in series :

Mounting of earthing connections (79, 343),

detail 1 and detail 2 : Two earthing connections

for rated short - time currents > 40 kA, 1 s ................................ 67

Figure 55 : Mounting of earthing switch,

earthing - switch poles in series :

Mounting of coupling rods (15) ................................................ 68

Figure 56 : Mounting of earthing switch,

earthing - switch poles in series :

Adjustment measurements for earthing - switch shaft (73)

and earthing - switch lever (339),

earthing switch on finger side .................................................. 69

Figure 57 : Mounting of earthing switch,

earthing - switch poles in series :

Adjustment measurements for earthing - switch shaft (73)

and earthing - switch lever (339),

earthing switch on contact side ............................................... 69

Figure 58 : Mounting of earthing switch,

earthing - switch poles in series :

Mounting of earthing - switch lever (19)

and operating rod (71) if operating mechanism

for earthing switch on contact side .......................................... 70

1HDB 050016-YN-A

Figure 59 : Mounting of earthing switch,

earthing -switch poles in series :

Mounting of earthing -switch lever (19)

and operating rod (71) if operating mechanism

for earthing switch on finger side ............................................. 71

Figure 60 : Mounting of earthing switch,

earthing-switch poles in series :

Adjustment of operating mechanism for earthing switch

if operating mechanism for earthing switch on contact side ..... 72

Figure 61 : Mounting of earthing switch,

earthing - switch poles in series :

Adjustment of operating mechanism for earthing switch

if operating mechanism for earthing switch on finger side ........ 73

Figure 62 : Mounting of earthing switch :

Mounting of earthing contact (18)

for rated voltages 36 ... 170 kV

and rated peak-withstand currents < 100 kA........................... 74

Figure 63 : Mounting of earthing switch :

Mounting of earthing contact (18)

for rated voltages 245 ... 362kV

or rated peak-withstand currents > 100 kA

(corona-protection fitting

and for rated voltages 245 ... 362 kV) ...................................... 74

Figure 64 : Mounting of earthing switch :

Earthing contact (18), adjusting measurements ..................... 75

Figure 65 : Mounting of mechanical interlocking :

Adjusting measurement of mechanical interlocking

between disconnector and earthing switch ............................. 77

Figure 66 : Maintenance of disconnector :

Replacement of contact fingers (66) and contact pieces (67) ... 83

Figure 67 : Maintenance of earthing switch :

Replacement of earthing contact (18)

for rated voltage 36... 170 kV

and rated peak-withstand currents < 100 kA............................ 85

Figure 68 : Maintenance of earthing switch :

Replacement of earthing contact (18)

for rated voltage 245 ... 362 kV

or rated peak-withstand currents > 100 kA............................... 86

Figure 69 : Maintenance of earthing switch :

Contact finger dimensions

for rated voltages 36 ... 170 kV

and rated peak-withstnad currents < 100 kA............................ 87

Figure 70 : Maintenance of earthing switch :

Contact finger dimensions

for rated voltages 245 ... 362 kV

or rated peak - withstand currents > 100 kA.............................. 87

Figure 71 : Instruction of assembly of adaptor plate................................... 88

Figure 72 : Rotational alignment of contact fingers (66)

for perfect contact on contact Piece (67).................................. 89

Figure 73 : Tilting of column for alignment................................................. 90

1HDB 050016-YN-A

1. Please Read first

To our clients

These service instructions have been carefully written. They are intended to allow the safe and reliable

operation of our products. However, should you be dissatisfied with these service instructions, please

let us know. At the end of these service instructions you will find a form you can use for this purpose.

1.1 Copyright

We reserve all rights in respect of this document and the product represented therein. The contents of

this document may not without our positive consent be reproduced, notified to third parties or otherwise

used.

1.2 Guarantee

If these service instructions are followed, this will, in our experience, guarantee the safe and reliable

operation of our products.

Please contact us or our nearest representative if the safe and reliable operation of our products is no

longer guaranteed because of incorrect or missing information. Our address and telefax no. are given

on the left.

We accept no responsibility whatsoever in respect of any direct or indirect damage or loss arising

through the incorrect use of our products.

Subject to change without notice.

1.3 Conventions

Note: In our service instructions, particularly important texts are specially identified :

Caution : A thus identified text always contains information of particular importance.

Warning : Athus identified text always points out risks to plant and equipment.

A thus identified text always points out risk of physical injury and danger to life.

We expressly draw you attention to the fact that the thus identified texts must under all circumstances

be complied with. If the thus identified texts are not complied with, no guaranty claims will be

entertained.

In the illustrations in these service instructions, numbers are used to identify parts of equipment. These

numbers are item numbers. A list of all item numbers can be found at the end of these service

instructions. The same numbers are, wherever practical, also used in the text. Item numbers in the text

are always given in parentheses, e.g. (221).

1/113

1HDB 050016-YN-A

2. Function

2.1 Disconnector

Electrical isolation of parts of networks

High-voltage disconnectors are used for the electrical isolation of electrical high-voltage networks.

When switched off, they form a visible isolation distance. High-voltage disconnectors are switched

under no-load conditions. Small capacitive or inductive currents, of the kind that occur during the

discharge of disconnected overhead-line or cable sections, are controlled.

Outdoor installation and formation of groups

The type SGF two column rotary disconnector described in these service instructions is a single - pole

disconnector for outdoor installation. Two or three poles can be coupled to form a group.

Standards

The type SGF two-column rotary disconnector conforms to the following standards :

lIEC 62271-102 (2001-12) & IEC 60694-(2001-05)

lDIN/VDE 0670 Part 2/Oct 1991 and Part 1 000/Aug 1984

2.2 Earthing Switch

Earthing and short-circuiting

In order to earth and short-circuit switched-off parts of plant, it is possible to mount one or two earthing

switches per pole.

2.3 Variants

Selection of variant of client

The type SGF two-column rotary disconnector is available in a wide range of variants. These service

instructions are valid for all variants. The information on the different variants is structured in such a way

that a clear distinction can be made.

2/113

1HDB 050016-YN-A

3. Mounting Alternatives

The disconnector poles of a 2- or 3-pole group can be arranged in parallel or in series. The pole and

side for mounting of operating mechanism can be freely specified when ordering.

Note : The side for mounting the operating mechanism is finalized with the order. Later changes are not

possible.

3.1 Parallel Arrangement of Disconnector Poles

Figure 1 shows a 3-poles type SGF two-column rotary disconnector with two earthing switches in

parallel arrangement.

3.2 SeriesArrangement of Disconnector Poles

Figure 2 shows the type SGF two-column rotary disconnector with one earthing switch in series

arrangement.

Figure 1 : 3-pole type SGF two-column rotary disconnector in parallel arrangement (basic design)

Figure 2 : 3-pole type SGF two-column rotary disconnector in series arrangement (basic design)

3/113

1HDB 050016-YN-A

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