GE AKR-90-100 Скачать руководство пользователя | Manualshive

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Courtesy of NationalSwitchgear.com

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Содержание AKR-90-100

Страница 1: ...GEI 86151D Installation Instructions i Low Voltage Power Circuit Breakers TypesAKR 75 100 Courtesy of NationalSwitchgear com ...

Страница 2: ...RS 16 5 SECTION 9 9 0 MAINTENANCE 9 1 Inspection 9 2 Lubrication 9 3 Reference Publications 17 SECTION 5 5 0 DRAWOUT BREAKERS 5 1 General 5 2 No Code Letter AKD Switchgear 5 2 1 Breaker Insertion 5 2 2 Breaker Removal 5 3 Code A AKD5 6 Switchgear 5 3 1 Breaker Insertion 5 3 2 Breaker Removal 5 4 Code B AKR Substructure 5 4 1 Breaker Insertion 5 4 2 Breaker Removal 5 5 Code C AKD 6 Switchgear 5 6 C...

Страница 3: ...OW 100 SPECIAL DC BREAKERS FOR FIELD SWITCHING Tube ARK N 75F X Fingers X X AKR NB 75F 25 Fingers X AKR ND 75F X 4000 Fingers X X AKR NF 75F Bar X AKR NS 75F 33 Tube AKR N 100F X Fingers X X AKR NB 100F Fingers X X 6000 AKR ND 100F Fingers X X AKR NF 100F 25 Bar X AKR NS 100F 33 Bar X AKR NW 100F Example AKR 5B 75 identifies a drawout substructure mounted breaker equipped with the SST trip device ...

Страница 4: ...location in an upright position Support it to prevent bending of the studs or damage to any of the breaker parts Do not cover thebreaker with packing or other material which absorbsmoisture that may causecorrosion of breaker parts A covering of kraft or other non absorbent paper will prevent dust from settling oh the breaker 3 2 LOCATION In choosing alocation for the installation of these breakers...

Страница 5: ...atebolted to the panel including a cut out opening through which the front escutcheon of the breaker can protrude 6 7 8 8 9 9 10 The surface on which the breaker is mounted must be flat to avoid internal distortion of the breaker The supporting structure must be rigid enough to avoid any possibility of the breakerstuds supportingthe weight of the breaker Minimum cutout dimensions as given by the a...

Страница 6: ...ams on the breaker are correctly positioned for initial engagement with the pins in the compartment To do this insert the rack ing handle and rotate it fully clockwise f If a compartment contains a keylock it will not ac cept the AKR 75 100 replacement breakers as re ceived The AKR drawout mechanism differs from that of its predecessor AK model causing the AKR breaker to mechanically interfere wit...

Страница 7: ...rtant at locations where AKR 75 and 100 breakers are being deployed in AKD equipments as replacements for AK 75 and 100 non quick close electrical models these compartments did not need and were not equipped with a spring discharge stop i NOTE Aspring dischargestop will not be present in some AKD type compartments originally furnished for electrically operated AK 75 and AK 100breakers of the non q...

Страница 8: ...ation observe the following precautions a Check the compartment to insure that it is free of foreign objects b Verify that the breaker is the correct type for that compartment c Insure that the breaker is OPEN d Apply a thin fresh coat of D50HD3Q lubricant to the breaker s primary disconnects 5 3 CODE A AKD SWITCHGEAR The drawout mechanism is equipment mounted and is externally operated by a remov...

Страница 9: ...albreaker com partments of drawout switchgear equipments It provides means for making the primary and secondary connections to the removable breaker element and is factory aligned The breakers are bolted to a roller mounted tray which is part of the substructure The racking mechanism is breaker mounted The racking handle is inserted through the com partment door and acts to rotate slotted racking ...

Страница 10: ... mechanically securing the breaker in the DISCONNECTED position a position stop is employed It has a release lever marked Push to Withdraw and is located in the same place as the spring discharge release lever on electrically operated breakers see Fig 4 1 Prior to lifting a breaker to its intended compartment location observe the following precautions a Check the compartment to insure that it is f...

Страница 11: ...e performed with the door closed 3 Open the door On electrically operated breakers de press the Spring Discharge lever to discharge the breaker s closing springs While holding this lever depressed pull the breaker all the way out to its WITHDRAWN position On manually operated breakers this release lever is labeled Push to Withdraw See Section 5 4 1 4 Before proceeding with subsequent operations to...

Страница 12: ...t FIG 6 AKR 9D 75 ELECTRICALLY OPERATED AKD 8 TYPE k r FIG 7 AKR 6F 75 ELECTRICALLY OPERATED SUBSTRUCTURE TYPE 12 Courtesy of NationalSwitchgear com ...

Страница 13: ...nt to the breaker compartment they are mounted on a drawout carriage similar to a breaker frame and referred to as a fuse rollout element FRO A typical model is shown in Fig 8 As listed in Table 4 these FRO s are available in four drawout styles each employing the same type drawout mechanism as its companion breaker The FRO is racked into and out of its compartment just like a breaker However the ...

Страница 14: ...onnections good joint conductivity is a must When making power connections to stationary breakers the mating joint surfacesmust be clean and have a smooth finish They should be parallel and firmly bolted or clamped together In addition the bus or cable conductors must have ample ampacity to prevent overheating Q c5 p 6 o o o o o o TERMINAL BOARD MOUNTED ON FRONT OF BREAKER AT UPPER LEFT 1 2 3 4 5 ...

Страница 15: ...ill energize the motor through the G switch contacts see fig 11 The motor through the gear reduction output crank compresses the closing springs until they are fully charged As this fully charged position is reached mechanically operated switches F and G reverse their shown position the MG switch deenergizing the motor and the F switch establish ing a circuit to the X relay At the same time a mech...

Страница 16: ...rn the trip shaft carries paddles actuatedby themanual trip button and the various other trip devices overcurrent reverse current shunt trip undervoltage open fuse lockout Viewing the breaker from the right rotating the trip shaft counterclockwise trips the breaker clockwise movement re sets the mechanism latch In addition to tripping the breaker some devices hold the breaker trip free i e prevent...

Страница 17: ...d by the distinct click as the prop is set and prevents any further charging of the closing springs After the prop is set do not apply undue force to the maintenance handle 2 Depress the Spring Discharge lever located under the horizontal support on the front frame The springs should discharge and if the latch is properly reset the breaker will close 2 Electrically operate the breaker several time...

Страница 18: ... of Drawout Breakers 19 10 1 General 10 2 No Letter AKD Types 10 3 Code A Types 10 4 Code B Types 10 5 Code C Types 10 6 Code D Types 10 7 Code FTypes 10 8 E Type Rejection 19 19 19 19 19 19 19 t 18 Courtesy of NationalSwitchgear com ...

Страница 19: ... that breakers serving essential circuits be segregated from identical models deployed else where in the power system The segregation is physical and is accomplished by supplemental rejection hardware added to the breaker and its drawout compartment In this publication these special category breakers are designated as E type They are interchangeable as fol lows As the Fig 12 directional arrows ind...

Страница 20: ...00 4000A 11 I ll 4 K I 33 BREAKER MOUNTING PINS AKD 8 H It H H 1 AKR 75 4000A TAK83FCB 3200A AKR 75 4000A AKR 75 3200A Code AKR SUBSTRUCTURES Deep Escutcheon Code 0 H Code H 4 H h H TAK94FCB 4000A AKR 100 6000A AKR 100 4000A AKR 100 6000A 25 L 4 TAK83FCC 3200A AKR 75 4000A AKR 75 4000A AKR 75 3200A 1011 16 11 T 4 I AKD 6 T Code _L M LK TAK94FCC 4000A AKR 100 4000A AKR 100 6000A AKR 100 6000A j lO ...

Страница 21: ...KD type units to prevent insertion into B type substructures and AKD 8 Switchgear i REJECTION BRACKET INTERFERES WITH RAMP CAM ON SIDE WALL OF AKD COMPARTMENT AKR 5B 75 Fig 14 Rejection means on AKR 75 100 code B D and F type drawout breakers to exclude them from AKD type compartments 21 Courtesy of NationalSwitchgear com ...

Страница 22: ... o o o o 4000A TAK94FCB TAK94FCD V AKR 100 1 Breaker side plate 2 Bottom flange of side plate 3 Rejection plate 4 diam pin in drawout tray 5 W diam pin in drawout tray 6 Clearance hole in plate and flange 7 Breaker mounting bolt hole i Fig 15 Rejection hardware on AKR 75 100 Code B D and F type drawout breaker elements Plan views 22 Courtesy of NationalSwitchgear com ...

Страница 23: ...SOOVDc 250VDC FIG 16 Refection hardware on AKR 75 100 Code C type drawout breaker elements side views 23 Courtesy of NationalSwitchgear com ...

Страница 24: ...600VAc 600VAC 3200A FUSE ROLLOUT ELEMENT TAK83FCC AKR 75 i 4000A FUSE ROLLOUT ELEMENT TAK94FCC i 24 Courtesy of NationalSwitchgear com ...

Страница 25: ... IN BREAKER FLANGE PIN IN DRAWOUT TRAY cr LU ID cr CD Li O z o t oc BASIC REJECTION SYSTEM PER FIG 13 JL PLAN VIEW Fig 17 Optional E Type rejection hardware on AKR 75 100 Code B D and F type drawout breaker elements i 25 Courtesy of NationalSwitchgear com ...

Страница 26: ...TO CLEAR THE REJECTION PIN I f i i I RIGHT SLIDE RAIL I FRONT I I B t P PR X I I I I I 444 t I I l I B i s BRACKET E TYPE REJECTION PIN i t 4 4 Fig 18 Optional E Type rejection system on AKR 75 100 Code C drawout breaker elements 26 Courtesy of NationalSwitchgear com ...

Страница 27: ...or maintenance Should further information be desired or should pardcular problems arise which are not covered sufficiently for the purchaser s purposes the matter should be referred to the GE Company GE Electrical Distribution Control General Electric Company 41 Woodford Ave Plainville CT 06062 1993 General Electric Company GEl 8615W 0293 PSB Courtesy of NationalSwitchgear com ...

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