GE AC55 F Скачать руководство пользователя | Manualshive

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Courtesy of NationalSwitchgear.com

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Содержание AC55 F

Страница 1: ...tallation operation or maintenance further information be desired or should particular problems arise which are not covered sufficientJy for the purchaser s purposes the matter should be referred to the General Electric Company Should To the extent required the products described herein meet applicable ANSI IEEE and NEMA standards hut no such assurance is given with respect to local codes and ordi...

Страница 2: ... 1 10 8 2 6 o 5 4 1 3 4 cn 2 7 O M a M M E k J2 2 01 5 I 7 1 0 1 3 4 5 6 7 8 0 1 0 20 3 0 4 0 5 0 6 0 7 0 8 0 9 0 2 MULTIPLES OF RELAY TAP SETTING Figure 1 0888B0271 1 Typical Time Current Curves For Type IAC55 Relays 2 Courtesy of NationalSwitchgear com ...

Страница 3: ...setting and retighten the screws Typical time current curves for these relays are shown in Fig 1 of this instruction book Outline and panel drilling as well as internal connections for these relays are found in the included instructions GEH 1753 and Table I as follows TABLE I OUTLINE AND PANEL DRILLING INTERNAL CONNECTION TYPES IAC55A A IAC55B A IAC55F A Fig 11 Fig 12 Fig 2 This Supplement Fig 18 ...

Страница 4: ...lays Type IAC INDUCT I ON UNITS L I NST rUN I T INST UN I T S I V V V V V V I r V v r 3 7 I 5 O o 6 8 c S H O R T F I N 6 E R Figure 2 0362A0506 1 Internal Connection Diagram for IAC55F Relay Front View Courtesy of NationalSwitchgear com ...

Страница 5: ...GEH 1753J INSTRUCTIONS TIME OVERCURRENT RELAYS TYPES IAC52 A IAC52 B IAC51A IAC51B IAC51R K R i s i S VI I 1 I i v A L 1 GENERAL ELECTRIC Courtesy of NationalSwitchgear com ...

Страница 6: ...MOVING SHAFT SEAL IN UNIT STATIONARY CONTACT RIGHT MAIN STATIONARY BRUSH AND CONTACT ASSEMBLY SEAL I N MOVING CONTACT ASSEMBLY ktNERAL M S UlMjj II MO DISK MB N UNIT DRAG MAGNET 8006996 Front View CRADLE DISK AND SHAFT COIL MAGNET AND TAP SLOCK ASSEMBLY LOWER JEWEL SCREW B 8006997 Rear View The Induction Unit for Type IAC Re lays Figure 1 2 Courtesy of NationalSwitchgear com ...

Страница 7: ...is actuated by a current operating coil on a laminated U magnet The disk shaft carries the moving contact which completes the alarm or trip circuit when it touches the station ary contact or contacts The disk shaft is restrained by a spiral spring to give the proper contact closing current and its motion is retarded by a permanent magnet acting on the disk to give the correct time delay OPERATING ...

Страница 8: ...3 3 X X V X P 2 X Xx X 10 X 9 8 X 7 i 6 0 tn 7 i CP c 1 X 4 5 X a 3 4 tn 2 3 O a 2 a E i H JJI 08 07 08 05 04 03 02 01 9 8 7 8 A 1 3 4 5 1 7 8 9 1 0 20 30 40 50 60 70 80 80g MULTIPLES OF RELAY TAP SETTING 0888B0269 3 Time current Curves of Type IAC Relays with Inverse time Characteristics Fig 2 4 Courtesy of NationalSwitchgear com ...

Страница 9: ...il Amperes Volt Amps Imp Ohms 30 20 5 0 Freq 0 45 Tap PF 1 2 0 37 2 3 2 6 0 2 2 0 0 6 2 0 4 16 60 4 0 8 8 0 35 0 29 0 15 0 05 0 5 0 5 amp ohms ohms ohms 0 78 8 3 0 24 0 18 50 0 32 4 0 8 0 0 31 6 2 0 65 0 65 50 25 0 36 4 0 7 5 0 30 0 54 42 0 54 5 1 1 5 6 0 60 1 5 59 0 2 36 0 26 50 1 5 52 0 2 08 0 28 If the tripping current exceeds 30 amperes an auxiliary relay should be used the connections being s...

Страница 10: ...C51A Relays used for Phase to Phase and Ground Overcurrent Portection of a 3 Phase Circuit TC Trip Coil Auxiliary contact closed when breaker closes A A C BUS 1 2 3 A C BUS 1 JLL 2 3 12 n A C TRIPPING 1 X 1 UNIT 51 lj llrl 51 1 H II 4 X If n J 5 i 3 14 51 1 51 1 TR PP NG Re ACTOR 4 1 I Fig 6 K 6375669 6 External Connections of Three Type IAC51R Relays used for 3 Phase Circuit Protection Fig 5 K637...

Страница 11: ...res respectively The current closing rating of the contacts is 30 amperes for voltages not exceeding 250 volts BURDENS Burden data on the instantaneous unit coils are given in the following table APPLICATION Imp Ohms Volt PF Coil Freq Amp Amp The instantaneous unit is used on certain IAC relay models to provide instantaneous tripping for current exceeding a predetermined value 10 40 60 0 83 0 95 5...

Страница 12: ...f the flux generated by the main REA coil passes through the upper limb of the magnetic structure and holds the armature firmly against this limb When the contacts of the induction unit close the shorting coil of the REA is short circuited and current flows in this coil by transformer action causing a redistribution of flux which actuates the armature and the REA contacts The opening of the REA co...

Страница 13: ...d or the adjustments disturbed These relays when not included as a part of a control panel will be shipped in cartons designed to protect them against damage Immediately upon receipt of the relay an examination should be made for any damage sustained during shipment injury or damage resulting from rough handling is evident a claim should be filed at once with the transportation company and the nea...

Страница 14: ... UL I T A T N T V V r V V V v N V V V V V I9 1 5 7 3 O O o 6 2 4 8 10 Fig 13 K 6209294 3 Internal Connections for the Type IAC51R Relay Front View INDUCTION INDUCTION A UNIT SI T T SI T SEAL IN UNIT W 4 0 4 3 1 5 4 6 2 6 SHORT FINGER Fig 14 K 6209662 5 Internal Connections for the Type IAC52A Relay Front View 10 Courtesy of NationalSwitchgear com ...

Страница 15: ... and dry free from dust and excessive vibration and well lighted to facilitate inspection and testing MOUNTING The relay should be mounted on a vertical surface The outline and panel diagrams are shown in Figs 20 and 21 CONNECTING PLUG MAIN BRUSH CONNECTING BLOCK CONNECTIONS Internal connection diagrams for the various relay types are shown in Fig 11 to 17 inclusive Typical wiring diagrams are giv...

Страница 16: ...op of the relay Screw the tap plug firmly into the tap marked for the desired current below which the unit is not to operate When changing the current setting of the unit remove the connecting plug to short circuit the cur rent transformer secondary circuit Next screw the tap plug into tap marked for the desired current and then replace the connecting plug The pickup of the unit for any current ta...

Страница 17: ...ed by turning the screws in the contact brush which regulates the position of the brush in relation to the brush stop For relays with two circuit closing contacts the tips should be in the same vertical plane When the time dial is moved to a position where the contacts just close the time dial scale should indicate zero If this is found incorrect and the brushes are correctly adjusted regulate the...

Страница 18: ...described above can be obtained from the factory PERIODIC TESTING An operation test and inspection of the relay at least once every six months are recommended Test connections are shown in Fig 18 RENEWAL PARTS It is recommended that sufficient quantities of renewal parts be carried in stock to enable the prompt replacement of any that are worn broken or damaged pany specify quantity required name ...

Страница 19: ...DWARE FOR SURFACE MTG ON STEEL PANELS OUTLINE 5 16 7 2 27 7 I DRILL 2 HOLES 2 2 5 DRILL 4 10 HOLES S f DRILL 5 HOLES 32 32 32 32 DRl LL 2 HOLES 6 x 7 D R I L L 4 4 HOJ E IS 0 PPA CN i l UJ 4 o I 0 4 a UJ i O UJ t 04 O os X s i 04 kr 4 cn pp i a n o i I UJ 3 i r T POO i sis H CO o 04 O 4 1 J CO Sl 3 QC c_ o 1 0 os i 1 cn M h or o o o O iui i l 1 SiPsl CJ C S l 4 4 j um it n i 2 1 7 i k 2 J jjr PANE...

Страница 20: ...å å å å 3RZHU 0DQDJHPHQW 215 Anderson Avenue Markham Ontario Canada L6E 1B3 Tel 905 294 6222 Fax 905 201 2098 www ge com indsys pm Courtesy of NationalSwitchgear com ...

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