Siemens 8BK30 - Page 5

༬๺዆࣮ୟ
• ۉۯڦొሏገ DŽ2 ࣮ୟDž
• ֡ፕዷথةഗํ၄ۉۯڦొሏገ DŽ3 ࣮ୟDž
• വუഐۯ DŽ3 ࣮ୟDž
• ࣑ഐۯۉۯ DŽ4 ࣮ୟDž
• ڇၠ࣑ٳન༬ۉୟ DŽ3 ࣮ୟDž
• ມၠ࣑ٳન༬ۉୟ DŽ5 ࣮ୟDž
• ڇၠ࣑႓ᅃෙঙۉୟ DŽ3 ࣮ୟDž
• ມၠ࣑႓ᅃෙঙۉୟ DŽ4 ࣮ୟDž
1. گუ๪
2. ߛუ๪
3. జ၍๪
4. జ၍Ǘజಇ L1LjL2Lj L3
5. ۉમ૶থ๪
6. ሞฉৢةཀྵമڦோ
7. ሞူৢةཀྵമڦோ
8. ᆩᇀᅎۯ๮כڦࡆڢ
9. ມ࣮ୟዐଇ߲ߛუ๪ኮڦ߰ӱ
10. থں࠲֡ፕ߇
11. থں࠲
12. ۉୁࢻߌഗ
13. ߛუ๪ோ
14. ࠲ࡋگუ๪ோ
15. ۉમኧ
16. ጎᆶةཀྵቸڦူ߰ӱ
Special control circuit
• Reversing operation (2 panels)
•
Reversing operation by main contactor (3 panels)
• Reduced-voltage starting (3 panels)
• Pole-changing motor (4 panels)
• Dahlander circuit with one direction of rotation (3 panels)
•
Dahlander circuit with two directions of rotation (5 panels)
• Star-delta circuit with one direction (3 panels)
• Star-delta circuit with two directions (4 panels)
HV terminal
• Accessible from the rear
• Terminal links with mounting screws for cables
• Number and cross section of cables(depending on rated
current of panel)up to 1
×300mm
2
or 2×185mm
2
per
connection
• Adjustable cable support rail installed
Earthing busbar
• The earthing busbar consists of sections extending from one
double panel to other
• The bus sections are interconnected by bolted links (on
delivery, within the transport units)
1.2.2.2 Control circuit
The LV cubicle contains all the LV elements 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.
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
compartments of a double panel
10. Operating shaft of earthing switch
11. Earthing switch
12. Current transformer
13. Door of HV compartment
14. Door of LV compartment
15. Cable support rail
16. Partition wall with bushings
཮4 ࠲ࡋፑ๫཮
Fig.4 View from the left into a Panel
(left-hand side)
཮ 5 Ҿጎኈথةഗڦ๮כ
཮3 ࠲ࡋᆸ๫཮
Fig.3 View from the right into a Panel
(right -hand side)
1. ኈথةഗ
2. ةՅ
3. Ҿጎڹӱ
4. ߛუභ܏ഗ
5. ߛუභ܏ഗڦጐኍ
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 with vacuum contactor
ߛუዕ܋
• ᅜٗࢫ௬থ၍
• ۉમᇑߛუዕ܋ᆩஅພ૶থ
• ۉમڦຕଉࢅপ௬DŽߵࡋڦܮۨۉୁኵDž௅၎ፌܠ૶
থDŽ1×300mm
2
 2×185mm
2
ڇႊۉમDž
• ጎᆶۙኝڦۉમኧ
থںಇ
• থںಇᆯ߳၎ତ࠲ࡋాڦথںಇჽฦ૶থܸׯ
• ߳থںಇᆩஅພ၎ࢻ૶থDŽ݀้ăஅພጎሞሏ๼ၒాDž
1.2.2.2 ዆ۉୟ
گუ๪ాጎᆶ໯ႴᄲڦگუᇮDŽԍࢺۉഗLjၭ࠲Lj܋ጱ
ڪDžኸ๖ڨጎሞோฉă
ኸ๖ᅏ՗Ҿጎሞோڦዐă዆ڞ၍ҾጎሞࡋాLj໲ሞߛუ
๪ాڦևݴᆩূຌஅ࿖࠶ԍࢺă
3
14
13
7
15
5
16
12
6
4
3
9
9
2
11
10
8
5
4
߁ ຎ
Description