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8BK30 3.6-12kV

੗ᅎਸ๕ূຌހԿ

ᯈጎǈ੣ഘਨᇹ

ኈ੣থةഗࡋ

(F-C

࣮ୟ

)

Type 8BK30 Switchgear up to 12kV with Draw-Out Vacuum Contactors,
Air-insulated Metal-Enclosed, Metal-Clad.

๑ᆩ๮֩

Operation and Maintenance

Instructions

཮

1. 8BK30

ኈ੣থةഗࡋǄມ࣮ୟǅ

Fig.1 8BK30 switchpanel (double panel)

Answers for IC.

Содержание 8BK30

Страница 1: ...ኈ থ ة ഗࡋ F C ୟ Type 8BK30 Switchgear up to 12kV with Draw Out Vacuum Contactors Air insulated Metal Enclosed Metal Clad ๑ᆩ Operation and Maintenance Instructions 1 8BK30 ኈ থ ة ഗࡋǄມ ୟǅ Fig 1 8BK30 switchpanel double panel Answers for IC ...

Страница 2: ...ႁ ࠓ 3 1 2 2 ۉ ഘยऺ 3 1 2 2 1 ዷ ୟ 3 1 2 2 2 ੦ ୟ 5 1 3 ፕጒༀ 6 1 4 रຍຕ 7 1 1 ᆌᆩ ྷݔ Ҿጎሞ כ ฉ 3TL6 ኈ থ ة ഗ ᆩᇀ੦ ߛუ ۯۉ ऐǈՎუഗă ഄ ೕ ࢁ ڦݴࢇݏ ǈ૩සǈ ۉ ୗई ۉ ඹഗፇă ᅜǈ 8BK30 ኈ থ ة ഗࡋ ᆩᇀ Ă ᆳ Ă ፈ ೝ Ă ۉ በ ׇڪ ă 1 1 1 ਸ ࡋ ڦ ኙ ፌߛ ۉ უ ٳ 12kV ڇ జ ୁۉۨܮ ዷజ ፌ ٷ ٳ 4000A ݴ ኧజಇ 400A ሰǈཚࡗ႙๕ ᄓǈ ࢇҾጎᇀࢽాǈඓԍටวҾඇ ࡋా ႋߒӱ ۼ ঢ়ࡗాև ࠤࢷۉ ቱ ᄓ ኈ থ ة ഗࢇ ۉݴ ᇸ ڦ ፕ ۼ ሞோ Կ൧ ူ ႜ ۉټ ጒ ڦ ॠ ᅜሞோ Կ ႜǄ ǅ ᆩূຌ ӱ ਸ 1 Description page 1 1 Application 2 1 1 1 Char...

Страница 3: ...t any problems Partition plates and shutters are made of sendzimir galvanized sheet steel Cable connection from the rear side 8BK20 circuit breaker panels can be arranged side by side 1 2Constrution 1 2 1Mechanical construction Two individual panels are arranged in a common frame double panel The panel layout metal enclosure partition walls and shutters are shown in Figures 3 and 4 1 2 2Electrical...

Страница 4: ...ions of rotation 5 panels Star delta circuit with one direction 3 panels Star delta circuit with two directions 4 panels 1 LV compartment 2 HV compartment 3 Busbar compartment 4 Busbar conductors L1 L2 and L3 5 Cable connection compartment 6 Shutter for the upper mating contacts 7 Shutter for the lower mating contacts 8 Rail for withdrawable unit 9 Partition between the two withdrawable unit compa...

Страница 5: ...ements required protective relays MCB terminals etc Indicators are accommodated in the door cutouts The leads are installed inside the cubicle and protected in the HV compartment by removable steelsheet covers 5 Ҿጎኈ থ ة ഗ ڦ כ 1 ኈ থ ة ഗ 2 ة Յ 3 Ҿጎ ڹ ӱ 4 ߛუභ ഗ 5 ߛუභ ഗ ڦ ጐኍ 6 Նૃഗ 1 Vacuum contactor 2 Contact arm 3 Mounting plate 4 HV fuse 5 Striker of HV fuse 6 Surge limiter Fig 5 Withdrawable part w...

Страница 6: ... unit function of interlocks When the hand crank of the withdrawable unit is turned the vacuum contactor is opened The door cannot be opened Withdrawable unit cannot be moved from the disconnected to the service position Earthing switch cannot be closed Withdrawable unit cannot be moved from the disconnected to the service position Vacuum contactor cannot be closed When the striker pin of a HVHRC ...

Страница 7: ...ooms for unfinished products hangars Climate 13 Rooms in building without significant thermal insulation and with low thermal capacity neither heated or cooled e g telephone booths entrances of buildings barns lofts unheated srote rooms sheds garages Ambient conditions Nnatural pollutants Chemical active pollutions Small animals For detailed information please refer to catalogue A rating plate con...

Страница 8: ... Capacitor kVAr 1600 3500 5000 ۉ ඹഗፇ ڦ ፌ ٷ ਸ ୁۉ A 250 250 250 Capacitor breaking capacity A ፌ ٷ ሎႹᆥୁ kA 10 10 10 Max permissible inrush current kA ፌ ٷ ፕೕ ፕْຕ ၭ 1200 1200 1200 Frequency of operation Op cycles h ऐႁ ం ፕْຕ 3 106 3 106 1 106 Mechanical life Op cycles ऐ ۉ ం ፕْຕ 1 106 1 106 1 106 Electrical endurance Op cycles ࢇቄࠀ AC DC W 650 650 650 Making capacity AC DC W ԍ ࠀ W 90 90 90 Holding power W...

Страница 9: ...ies door of HV compartment closed Panel Degree of protection Basic IP4X according to DIN VDE 0670 Version IEC298 or IP40 according to DIN 40 050 IEC529 Special IP41 IP50 or IP51 Version according toDIN 10 050 IEC 529 Surface protection Sheet steel parts of front side epoxy resin powder coating RAL 7032 Other sheet steel parts hot galvanized or electro plated and yellow passivated Dimensions see Ca...

Страница 10: ...in transit 14 2 2 5 Moving the transport units to installation place 14 2 2 6 Assembling installation of switchpanels 15 2 2 6 1Bolting the panels together 15 2 2 6 2Fixing the switchpanels to the foundations 16 2 2 6 3 Busbar installation 17 2 2 6 4 Bolting the earth bus sections together 17 2 3 Electrical connections 17 2 3 1 Connecting the HV cables 17 2 3 2 Earthing the switchpanel 17 2 3 3 Co...

Страница 11: ...der to keep the same dimension Tolerances Fall max 1mm 1m length 2mm over the total length Level 1mm within any 1m measured length correct poorer tolerances with shim plates 7 Fig 7 Dimension sheet 800 1650 A B ມ ୟ Double Panel 1 2 ມ ୟ Double Panel 3 4 ມ ୟ Double Panel 5 6 ມ ୟ Double Panel 7 8 ມ ୟ Double Panel 9 10 ມ ୟ Double Panel 11 12 ມ ୟ Double Panel 13 14 ມ ୟ Double Panel 15 16 ມ ୟ Double Pan...

Страница 12: ... floor cutouts are shown in Catalog 006 The foundation design and construction is according to the following standards DIN 43 661 Foundation rails for electrical equipment installed indoors and DIN 18 202 Tolerances in structural engineering For foundations of a seismic design consult Siemens Switchgear Ltd Shanghai Level differences between the mounting surfaces of the double panels should be det...

Страница 13: ...d the transport units in their packing Take care not to damage the plastic sheeting Unloading by mobile crane Suspend the lifting tackle from the crane and position it over the transport unit Attach the ropes to the tackle and position them so that they cannot exert pressure on the switchpanel sides Sling the ropes round the ends of the wooden pallet Carefully lift the unit and check whether it ha...

Страница 14: ... remove the transport units from their wooden pallets Move the withdrawable units from the service position as supplied state to the disconnected position and open the switchgear compartment doors Insert the double bit key Type 5 to DIN 43 668 C35 into lock 10 Fig 14 and turn it anti clockwise by 90 Raise the catch 11 Fig 14 to the stop and awing up to the door Remove the withdrawable units and st...

Страница 15: ...crowbars Then withdraw the wooden supporting beams before putting down and aligning the units on the cleaned foundation Note Apply the roller type crowbars only at the corners of the units below the vertical frame members 2 2 6 Installation of switchpanels Carry out the work in the sequence described under 2 2 6 1 to 2 2 6 4 2 2 6 1 Bolting the panels together It is assumed that the first transpor...

Страница 16: ...tructures together 2 2 6 2 Fixing the switchpanels to the foundations Refer to the examples given in Fig 10 The baseframes of the double panels have three 45mm 25mm cutouts for fixing purposes Xfmefe kpjout Weld the baseframes of the panels in the 45mm 25mm cutouts to the foundation rails Use shims Section 2 2 6 1 where necessary to avoid welding across air gaps Coat the welds with anti corrosion ...

Страница 17: ...h bus sections together The earth bus sections for the individual transport units must be linked together One of the two sections to be bolted together is fitted with a link This must be undone passed through the opening in the partition wall and bolted to the two adjacent earth bar sections Grease the contact faces 2 3 Electrical connections Using M12 bolts to fix HV cable inside switchgear 2 3 1...

Страница 18: ...e fixing bolts Fig 12 Run the LV cables on the left hand side of each panel enter the cable into the LV cubicle and connect it there Fix the LV cables to the support plates 1 2Fig 13 using cable connectors Two rows of rectangular cutouts are provided to the holding plates 12 گ უ ۉ મ ߃ڦ ӱ Fig 12 Sheetsteel covers for LV cables 1 ࠦۨஅພ 13 گ უ ۉ મฉĂူኧॐ 1 ࢅ 2 ሞߛუ ڦ ፑՉ 1 Fixing bolt Fig 13 Upper support...

Страница 19: ...l the terminal blocks are provided with marking tags replace any missing tags by reference to the circuit diagram if missing 2 4 3 Cleaning the switchpanel Clean all the bushing using a soft non linting dry rag 2 4 4 Inserting the withdrawable units see 3 4 1 3 2 4 5 Checking the protection against environmental influences a Housing of the switchgear Front parts of the panel are painted with epoxy...

Страница 20: ...he ends of arresters with metal name plates should be placed near the side plate of the truck thus gives no affection to the insulation between phases 2 5 4 Checking the accessories The following accessories must be readily available in the switchgear room or in the adjacent room handcrank for moving the withdrawable unit double bit key for locking and unlocking the doors handle for the earthing s...

Страница 21: ...98 is assured The earthing switch can be operated When the LV plug connector is applied and when the withdrawable unit is in the disconnected position the vacuum contactor can be test operated also from the control room function such as switch position indication electrical interlocks etc can be tested When the LV plug connector is removed and when the withdrawable unit is in the disconnected posi...

Страница 22: ...n I red operational 6 Opening for inserting the hand crank 7 Hand crank for moving the withdrawable unit 8 Unlocking knob for Item 6 9 Lock of door to LV compartment 10 Lock of HV door 11 Door locking knob 12 Opening for inserting the operating switch earthing lever 13 Switch position indicator of earthing switch 14 Opening for emergency unlocking 15 T ႙ դ ڦ ዃຫ ፑǖ ۨǄ ፕ ዃǅ ዐǖ Ǆ ፕ ዃǅ ᆸǖ Ǆ ਸ ዃǅ Fig 1...

Страница 23: ...Fig 14 Turn it clockwise by 90 to the stop into the vertical position Pull it off Opening Hold the handle Vertically Fit it to the operating shaft in opening 12 Fig 14 Turn anti clockwise by 90 to the stop into the horizontal position and pull it off 3 3 Opening and closing HV door 3 3 1 HV door Opening HV door The withdrawable unit must be in the disconnected position Insert the double bit key ty...

Страница 24: ...across a rail fixed in position by means of floor plate When racking out the withdrawable unit slides from the rail onto automatically folding out wheels and thus becomes a trolley when removed from the panel This sequence of motion takes place in reserve order in the same way when the withdrawable unit is racked in Mark the withdrawable unit and the associated switchpanel Hold the frontplate of t...

Страница 25: ...e the door to the withdrawable unit compartment as described under 3 3 1 3 4 2 Replacing the fuses The operating state of the fuse links can be read off from the indicator 5 Fig 14 Remove the withdrawable unit as described under 3 4 1 2 Remove the fuse links Caution The fuse links might be hot Pull the fuse links from the holders in upward direction Note Always replace all three fuse links Select ...

Страница 26: ...rm a trial operation of the vacuum contactors and of the earthing switches Withdraw the units refer to 3 4 1 2 and perform all the maintenance work specified Carry out the maintenance and servicing work for built in equipment such as current transformers relays meters protective equipment etc Clean the switchpanela and check the connections Check the correct execution of the bolted connections Rei...

Страница 27: ...tted if the withdrawable unit cannot be drawn out into the disconnected position after a fault has occurred and if repair work is not possible otherwise Isolate and earth the switchboard in accordance with DIN VDE 0105 Proceed as follows Unscrew the door locking pin 8 Fig 17 For this purpuse insert a screwdriver into opening 14 Fig 14 and unscrew the pin Insert the double bit key into lock 10 and ...

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