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Citadel 2.0 - Instruction Manual - page:

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The Citadel vacuum circuit breaker performs its closing and opening functions by
using three vacuum interrupters connected to a stored-energy operating mechanism.
To operate properly and safely, it is necessary to have electrical controls and interlock
devices. The Draw-out function is enabled by having disconnect devices to connect

the circuit breaker to both primary (finger cluster assemblies) and control (secondary

connector) power. The stored energy operating mechanism is housed in its own
rugged, electrically grounded metal enclosure located on the front of the breaker.

Depending on voltage class, insulating barriers may be located between the vacuum
interrupters and along their outer sides.

This section describes the breaker’s major subassembly and is a basic primer tool in
the operation, installation, maintenance of the circuit breaker.

NBS

recommends engaging

factory trained persons only
to perform repair services.

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Содержание 150-CTDL-31.5-FX

Страница 1: ...Citadel 2 0 Instruction Manual page 1 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 Installation operations and maintenance manual 15kV 63kA Draw out Citadel Vacuum Breaker...

Страница 2: ...Citadel 2 0 Instruction Manual page 2 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 15kV 63kA 4000A Citadel Fixed Mounted Vacuum Breaker...

Страница 3: ...Citadel 2 0 Instruction Manual page 3 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 15kV 63kA 4000A Citadel Draw Out Vacuum Breaker and Cell...

Страница 4: ...2 125 Numerical value at end of CTDL Model reference kA value 26 wide Switchgear Regular Fixed and Draw Out VCB Elements Voltage Class CTDL Model FX DO Available Amperage Width Fixed Element Width Dra...

Страница 5: ...hanism Operating and control voltages can severely burn flash damage and kill Medium Voltage circuit breakers and some switchgear component are heavy and can be unwieldy Items of these sizes and weigh...

Страница 6: ...d first aid equipment immediately on hand This manual provides general and informative knowledge of the breaker and switchgear This manual is NOT exhaustive nor detailed enough to cover every applicat...

Страница 7: ...3 26 Vacuum Interrupter 28 37 General Construction 38 39 Citadel Controls 40 51 Switchgear Cubicle Draw out Features 52 87 Breaker Operation 88 99 Close Trip Take off Extension Rods 100 Positive Block...

Страница 8: ...t The safety and health of our customers is our paramount focus and concern The following will be repeated regularly throughout this document Medium Voltage circuit breakers and switchgear are inheren...

Страница 9: ...ally hazardous situation which should be avoided to avert death or serious injury WARNING Potentially hazardous situation which if not avoided might result in moderate injury CAUTION without safety al...

Страница 10: ...TH NEVER work on equipment unless it is de energized and grounded ALWAYS de energize the control voltage and discharge the breaker s mechanism springs before laying hands or tools on the breaker or sw...

Страница 11: ...63KA TO 4000A 5000A SELF COOLED CONSULT FACTORY ANSI IEEE C37 04 1999 Standard Rating Structure for AC High Voltage Circuit Breakers ANSI IEEE C37 06 2009 AC High Voltage Circuit Breakers Rated on a...

Страница 12: ...50 CTDL 63 0 2 40 47 40 62 104 75 CTDL 40 0 2 20 47 20 31 52 150 CTDL 20 0 2 31 5 47 31 5 49 82 150 CTDL 31 5 2 40 47 40 62 104 150 CTDL 40 0 2 50 47 50 78 130 150 CTDL 50 0 2 63 47 63 98 164 150 CTD...

Страница 13: ...rrives note whether the equipment is properly protected from the elements Note the trailer number the equipment arrived on Note also any blocking of equipment During unloading check the actual equipme...

Страница 14: ...t breaker should be lifted propperly Do not allow any force or crushing of the side panels of the circuit breaker or damage to the primary disconnect cluster assemblies Refer to Table 2 page 12 for ci...

Страница 15: ...switchgear When the circuit breaker is mounted in switchgear open the control power disconnect device In metal clad switchgear the control power disconnect device is normally a pullout type fuse holde...

Страница 16: ...utomatic spring charging features of the circuit breaker must be checked Control power is required to automatically charge the closing spring Note Do not perform the spring discharge check if the circ...

Страница 17: ...18 Insert the hand crank through the front cover opening into the manual charging port Engage the charging tool into the charging port s socket Turn the charging tool clockwise approx 50 turns until...

Страница 18: ...by visually observing the OPEN CLOSED indicator on the circuit breaker front panel Use an ohm meter to verify contacts are closed electrically and provide dual verification of the front panel indicat...

Страница 19: ...r press the trip button until the vacuum breaker has tripped and OPEN is displayed by indicator Manual Operation Electrically operated vacuum breakers can be operated manually if the control supply sh...

Страница 20: ...ator will display OPEN In order to avoid injuries as a result of the motor suddenly starting up the circuit breaker spring must only be charged manually with the special hand crank An Optional special...

Страница 21: ...l provides color coded intuitive symbology for Breaker Closing spring condition charged yellow compressed spring or discharged white decompressed spring breaker contact position open green contacts se...

Страница 22: ...g spring charged Semaphore flag when closing spring dis charged A mechanical flagging assembly is moved by the rotation of the Citadel s Main Armature Shaft The indication of CLOSED or OPEN can be see...

Страница 23: ...48 16 220 13 228 11 417 18 484 2 932 6 102 6 102 19 606 18 031 27 382 01 MECHANISM ENCLOSURE 02 COPPER RUNBACK 03 PUSHROD ASSEMBLIES 04 VACUUM INTERRUPTER 05 COPPER SHUNTS 06 VACUUM INTERRUPTER INSULA...

Страница 24: ...OPPER RUNBACK 04 MOVING SECONDARY CONTACT BLOCK ASSEMBLY 05 MOVABLE SECONDARY HANDLE 06 VACUUM INTERRUPTER 07 FINGER CLUSTER 23 425 34 803 18 307 32 441 25 3740 11 417 SIDE VIEW 2 3 1 4 FRONT VIEW 25...

Страница 25: ...R FLANGE HEATSINK 02 LOWER FLANGE HEATSINK 03 STAND OFF SUPPORT INSULATOR 04 VACUUM INTERRUPTER 05 VI INSULATOR STABELIZER ROD 06 UPPER PRIMARY CONNECTION 07 FLEXIBLE SHUNT TYPE 1 OUTER 08 FLEXIBLE SH...

Страница 26: ...INNER DRAWOUT CITADEL 5000A 63KA GCB 252 252 REAR VIEW TOP VIEW 750 960 79 350 465 618 370 320 6 1 5 7 8 2 10 11 12 3 9 4 14 13 15 SIDE VIEW 09 LOWER SHUNT 3 SIDE 10 VI MOVING TERMINAL CLAMP 11 VI PUS...

Страница 27: ...vices to connect the circuit breaker to both primary finger cluster assemblies and control secondary connector power The stored energy operating mechanism is housed in its own rugged electrically grou...

Страница 28: ...ermits contact movement while maintaining vacuum inside the interrupter The movable contact is connected to the driving mechanism of the circuit breaker via electrically insulated push rod assemblies...

Страница 29: ...baseline end to end micro ohm readings across the breaker s entire power pole assemblies Regular testing by Users over the life of the breaker should include the retesting and comparison of these val...

Страница 30: ...Citadel 2 0 Instruction Manual page 30 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 1600A VI 2500A VI 5000A VI 4000A VI V A C U U M I N T E R R U P T E R O P E R A T O R...

Страница 31: ...of short circuit breaking current interruption 100 operations Contact erosion permission length 3 mm Rated short circuit making currentt 81 9 kA Shelf life 20 years Rated peak withstand current 81 9 k...

Страница 32: ...Operations of short circuit breaking current interruption 100 operations Contact erosion permission length 3 mm Rated short circuit making currentt 104 kA Shelf life 20 years Rated peak withstand curr...

Страница 33: ...cuit breaking current 63 kA rm Mechanical life 20 000 operations Operations of short circuit breaking current interruption 30 operations Contact erosion permission length 3 mm Rated short circuit maki...

Страница 34: ...rruptions and magnitude of current interrupted FIGURE 8 a b c c a Breaking current rms value in kA Rated operating sequences O 300ms CO 3min CO Numbers of operating cycles b Breakers must have vacuum...

Страница 35: ...hort circuit breaking current 63 kA rms Mechanical life 10 000 operations Operations of short circuit breaking current interruption 6 operations Contact erosion permission length 3 mm Rated short circ...

Страница 36: ...itude of current interrupted Breakers must have vacuum interrupter assemblies replaced when they achieve maximum life curve limits when erosion dot is no longer visible or if micro ohm readings are gr...

Страница 37: ...16 Rated short circuit breaking current 44 kA rms Mechanical life 10 000 operations Allowable contact erosion 3 mm of short circuit breaking interruptions 20 operations Rated short circuit making curr...

Страница 38: ...primary disconnects attached to their far ends for use in conjunction with its associated draw out switchgear In the case of higher amperage or higher interrupting 36 inch switchgear type Citadel ele...

Страница 39: ...4 0 D O F X V 1 0 1 1 2 0 2 1 1 Bolted Landing Pads For Busbar Connectors 2 Finger Cluster Primary Connectors 3 Interphase Barriers 4 Pole support stand off insulator FIGURE 12 FIGURE 10 FIGURE 13 FI...

Страница 40: ...Counter 4 Manual Closing Button 17 LH MASTA 5 Open Solenoid 18 Open Close Indicator 6 Auxiliary Switch 19 Limit Switches 1 2 3 4 7 7 RH MASTA 20 Spring Charged Indicator 8 Trip Linkage Takeoff 21 Char...

Страница 41: ...or full details or consult the factory The Citadel vacuum breaker element consists of three phases AKA poles each with its own vacuum interrupter which is rigidly supported by a primary mounting assem...

Страница 42: ...block mounted on the top of the breaker mechanisms enclosure for ease of customer connections and interfacing with external circuits Secondary Wiring Control power and control signals both input and o...

Страница 43: ...poting etc of Citadel breaker secondary circuitry ALWAYS disconnect the motor s circuit leads to insure no elevated voltages appear on the motor s terminals It is the sole responsibility of the testi...

Страница 44: ...is sent to the close coil and then removed by electrical auxiliary contacts within the Citadel breaker mechanism Trip coil 52T The trip coil is a standard component of the Citadel circuit breaker used...

Страница 45: ...9 3 53 158 0 120 Vac 104 127 4 2 4 2 4 43 0 240 Vac 208 254 4 1 3 2 4 158 0 Footnotes 1 Current at nominal voltage 2 Capacitor trip 3 Value preceding slash is the current for the standard trip coil w...

Страница 46: ...DIMENSIONS ARE IN INCHES REMOVE ALL BURRS SHARP EDGES FRACTIONS XX XXX ANGLE CONCENTRICITY 1 32 032 010 5 015 TIR PART TOLERANCES FRACTIONS XX 1 4 125 This drawing is the exclusice property of NBS and...

Страница 47: ...rip device optional Capacitor trip devices can be thought of as short term batteries providing an adequate electrical energy storage to ensure circuit breaker tripping if control power is lost The cap...

Страница 48: ...associated with closing spring The Citadel incorporates a number of micro switches within its control circuitry Customers should familiarize themselves with the Citadel s control schematic for their...

Страница 49: ...ignment of the switch plunger Proper throw of the device pushing releasing the plunger Electrical integrity of the wiring connections to the micro switch Integrity of the switches operation by using a...

Страница 50: ...tches 29 30 are activated by the Block the Close mechanism When the Citadel racking tool is inserted or the breaker is in between Disconnect and Connect positions Block the Close mechanical interlocki...

Страница 51: ...that connects to and is moved by the Main Armature shaft The auxiliary switch contains both normally closed b contacts and normally open a contacts a contacts follow the main breaker s primary contac...

Страница 52: ...tor 4 Closed door racking port with locking capability List of features 5 Breaker rack position indicator actuator 6 3 point latch mechanism 7 Breaker Open Close indicator actuator 8 Rear of closed do...

Страница 53: ...X V 1 0 1 1 2 0 2 1 Heavy Duty Stainless Steel Hardware Solid handle with large eye for padlocks and LOTO devices Heavy Duty Hinges for long life and smooth operation FIGURE 28 FIGURE 29 FIGURE 30 FIG...

Страница 54: ...ator assembly 5 Breaker hold down bracket 6 Racking rails 7 Ground Copper 8 TOC 2 9 Racking nut assembly 10 Stationary secondary assembly 11 Breaker Rating rejection bracket 12 Floor Close Trip Permis...

Страница 55: ...0 4 0 D O F X V 1 0 1 1 2 0 2 1 Breaker open close door indicator mechanism rear 3 point latch Breaker rack in position indicator rear Breaker rack in door interlock shipped deactuated FIGURE 34 S W I...

Страница 56: ...ving secondary connection batton 4 Manual charging port 5 Finger clusters 6 Ground shoe 7 Racking screw 8 Movable secondary connector assembly 9 Shutter lifter rollers 10 Hold down pins 11 6th wheel 1...

Страница 57: ...ge a latch on the inside of the front door to insure that no one can open the switchgear door if the breaker is racked into the connect position This feature comes disabled It can be enabled by desiro...

Страница 58: ...the lowered position As the breaker racks into the connect position a slider pin on the side of the Citadel pushes the arm up Feature 12 page 56 This arm will the move the position indicator and can o...

Страница 59: ...f the breaker is a cam actuator that rotates as the breaker opens and closes Feature 13 page 56 The cam presses down on the actuator mechanism located on the right side of the switchgear cell wall As...

Страница 60: ...e 60 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 Breaker Disconnect Position Latch Left side latch bracket Right side latch bracket FIGURE 42 FIGURE 43 FIGURE 44 S W I T C H G E A R C U B I C...

Страница 61: ...2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 Operating the disconnect position interlock Large easy grip handle Ergonomic hand actuator for interlock release FIGURE 45 FIGURE 46 S W I T C H G E A R...

Страница 62: ...itadel s dual position functionality enhances Operator confidence When the racking screw spins free the breaker is either in the Disconnect position or the Connected position Disconnect position Locke...

Страница 63: ...ell The floor mounted lifter assembly keeps the Citadel in a tripped and block the close condition for all positons other than fully Connected and fully Disconnected Additionally the floor mounted lif...

Страница 64: ...4 0 D O F X V 1 0 1 1 2 0 2 1 Floor Lifter for breaker paddles Lift trip paddle Operational Disconnect Test position Lift close paddle Discharge close spring Operational Connect position FIGURE 51 S W...

Страница 65: ...n pin will only fall into the lifter plate slots in the Disconnect and Connect postions providing a permissive operation For all other locations of the breaker within the cubicle the Citadel must and...

Страница 66: ...2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 6th wheel The Citadel carriage employs a 6th wheel configuration for ease of mobility when the breaker is removed from cubicle 6th wheel FIGURE 54 S W I T C H G...

Страница 67: ...y rollers on both the left and right of the Citadel roll directly under the cubicle s breaker retention brackets Under severe fault conditions Citadel breakers remain secure in all three planes Breake...

Страница 68: ...F X V 1 0 1 1 2 0 2 1 Stationary Racking Nut The Citadel racking system is simple rugged and guided by safety More information can be found in the section on breaker racking Racking nut FIGURE 58 FIGU...

Страница 69: ...anual page 69 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 Stationary copper ground conductor Silver platted Copper 2 375 x 0 5 Ground conductor FIGURE 60 S W I T C H G E A R C U B I C L E D R...

Страница 70: ...M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 TOC 1 Provides electrical indication that a breaker is in the cubicle in the Disconnect Position 2NO 2NC FIGURE 61A FIGURE 61B S W I T C H G E A R C U...

Страница 71: ...I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 TOC 2 Provides electrical indication that a breaker is in the cubicle in the Connect Position 2NO 2NC FIGURE 62A FIGURE 62B S W I T C H G E A R C U...

Страница 72: ...Citadel 2 0 Instruction Manual page 72 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 Citadel in Disconnect position FIGURE 63 S W I T C H G E A R C U B I C L E D R A W O U T F E A T U R E S...

Страница 73: ...ck to manually be pushed rearward and thereby connect with the stationary cell side This action allows a breaker in the disconnect positon to be placed into a Test position The breaker can now be oper...

Страница 74: ...n Test while in the Disconnect position simply release the secondary handle latch move handle to a horizontal positon give a smoot lateral push on the handle to seat the moving secondary connector pin...

Страница 75: ...condary batton handle incorporates a leveraging upper section to assist in the dis engagement of secondary contacts See video after QR cote scann Bend upper most section of batton handle and apply mod...

Страница 76: ...0 2 1 Breaker position lock often a Kirk Key type lock is used Optional Breaker position lock often employing a kirk type lock prevents breaker from being racked and can release a key for sequencing F...

Страница 77: ...are covered by grounded metal shutters when the Citadel is in the Disconnected Position or the cell is empty Rollers on the lower right and left sides of the Citadel move underneath and uniformly lif...

Страница 78: ...thly and securely within a positive guideway on both sides of the switchgear cubicle Guide slots Lowered Lifted Shutter lifting arms As the Citadel racks into position a roller on each side of the Cit...

Страница 79: ...V 1 0 1 1 2 0 2 1 Stationary Primary Disconnects Primary Disconnects have large silver plated copper conductor with finger cluster guide pin recesses for 63 kA The Primary Disconnect bottles can handl...

Страница 80: ...y Primary Disconnect bus connection pad The bus connection pad on the rear of the stationary Primary Disconnect conductor has a large surface area and multiple threaded bolt holes to insure a good con...

Страница 81: ...0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 Moving Primary Disconnect Assemblies I e Finger clusters are always conservative and rated for surface area and spring pressure FIGURE 73 S W I T C H G E A...

Страница 82: ...two halves as they approach and engage each other for final electrical connection As the Citadel breaker is fully racked into the connected position the two halves of the secondary contact block asse...

Страница 83: ...rovided standard motor charge open signal close signal 2a and 2b auxiliary contacts Block B optionally provided for B MOC Better Mechanism Operated Cell switch An additional 4 NO 4 NC 1 Form C contact...

Страница 84: ...Citadel 2 0 Instruction Manual page 84 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 Block A Block B FIGURE 79 FIGURE 80 S W I T C H G E A R C U B I C L E D R A W O U T F E A T U R E S...

Страница 85: ...the factory to optionally obtain extended voltage and current ranges on control circuit Male breaker side movable Wiring terminal screws Female switchgear cubicle stationary Technical Specifications...

Страница 86: ...OC will provide additional normally a and normally b and form C contacts The contacts all follow the operation of the breaker either identically or in opposition and are wired to the breaker s interna...

Страница 87: ...padlocking and LOTO locking with a customer provide multi lock hasp device One padlock hasp optionally activated is on the door handle One padlock hasp optionally activated is on the door s racking p...

Страница 88: ...s DIS CHARGED as it is withdrawn from its cubicle The Citadel breaker will discharge the energy of the close spring in both directions of insertion into a cell and extraction from a cell The close spr...

Страница 89: ...sealing off any access to the racking port opening If an attempt to insert the racking tool is made either directly through the front of the breaker or through the switchgear door and the tool does no...

Страница 90: ...chanical mechanism block cut off permissive switch engaged GE Magneblast Block the Close Dis Engaged mechanical mechanism block cut off permissive switch disengaged Citadels are cognizant that America...

Страница 91: ...nt of the racking tool engage their counterparts on the breaker As the racking tool inserts the Block the Close interlock will automatically engage When Block the Close is active two micro switches di...

Страница 92: ...2 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 FIGURE 86 FIGURE 87 FIGURE 87B B R E A K E R O P E R A T I O N Racking port empty Racking port tool inserted The insertion of racking tool engages...

Страница 93: ...Citadel 2 0 Instruction Manual page 93 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 Close door racking standard FIGURE 88 FIGURE 89 B R E A K E R O P E R A T I O N...

Страница 94: ...ar improves on this exceptional safety concept by improving the ruggedness and simplicity of the parts required for this feature to operate Once a Citadel breaker is fully racked in or fully racked ou...

Страница 95: ...to insert a breaker into a cell and it bangs up against something STOP Discontinue the insertion process and exam the breaker nameplate Verify that the breaker in question is specifically rate to go i...

Страница 96: ...e ANSI IEEE 37 04 section 6 9 for details When the stored energy mechanism has been charged the mechanism is ready to perform a closing operation The Citadel can now perform any of the following opera...

Страница 97: ...AKER OPEN FIGURE 93B POSITION OF PUSH RODS AND PRESSURE SPRINGS WHEN BREAKER CLOSE CONTACT PRESSURE SPRING CHARGED CLOSE FIGURE 92D CHARGED OPEN FIGURE 92C DISCHARGED CLOSE FIGURE 92B DISCHARGED OPEN...

Страница 98: ...absorbing devices The shock absorber should be visually inspected during regular maintenance intervals to verify that there is no evidence of leakage If shock absorber is leaking it requires replaceme...

Страница 99: ...l or draw out cell floor rails lifting the close linkage Fixed mounted Citadel elements that are used to vacuum convert older air breakers will have the same trip free operation as actuated by the ori...

Страница 100: ...anism enclosure Each extension rod comes with threaded inner diameters to accept an M6 bolt NBS takes no responsibility nor warrants the interface connections provided by any breaker conversion compan...

Страница 101: ...itadel element It is not necessarily employed during the conversion process Customers should learn about this optional feature and its possible inclusion in any final conversion design When the breake...

Страница 102: ...perated Cell switch operator MASTA Main Armature Shaft Take off Assembly MASTA extensions The Citadel provides three locations to make these connections Two machined extensions of the Main Armature Sh...

Страница 103: ...ge 103 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 30 0 mm 20 0 mm 10 0 mm MB TAP 1 8 Cotterpin Hole Drill Thru 1 Space Available FIGURE 100 FIGURE 101 M A S T A M A I N A R M A T U R E S H A...

Страница 104: ...RATINGS CONVERTED BREAKER RATINGS RATED KV TYPE MAX KV BIL KV HERTZ INT TIME AMPS CLOSE AMPS MAX AMPS INT AMPS RATED MVA K FACTOR CLOSE VOLTS RANGE CHARGE VOLTS RANGE TRIP VOLTS RANGE RATED KV TYPE MA...

Страница 105: ...voltage and the interruption of the main circuit in all poles Hz Rated frequency is the sinusoidal periodicity at which the circuit breaker is designed to operate Wiring Diagram An elementary diagram...

Страница 106: ...ment the Citadel is no exception Beyond any time frames noted in this instruction manual it is not practical for the manufacturing supplier to be aware of the environmental conditions of each User s l...

Страница 107: ...served by adjusting the maintenance and lubrication intervals based on experience with the equipment in it s own resident service environment A good rule is err on the side of conservatism and caution...

Страница 108: ...36 mm used for replacing post insulators Deep sockets 19 and 24 mm Hex keys 5 6 8 and 10 mm Torque wrench 0 150 Nm 0 100 ft lbs Screwdrivers 0 032 x 1 4 in wide and 0 055 x 7 16 in wide Pliers Light h...

Страница 109: ...Citadel 2 0 Instruction Manual page 109 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 FIGURE 104 M A I N T E N A N C E...

Страница 110: ...Citadel 2 0 Instruction Manual page 110 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 FIGURE 105 M A I N T E N A N C E...

Страница 111: ...Citadel 2 0 Instruction Manual page 111 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 FIGURE 106 M A I N T E N A N C E...

Страница 112: ...Citadel 2 0 Instruction Manual page 112 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 FIGURE 107 M A I N T E N A N C E...

Страница 113: ...Citadel 2 0 Instruction Manual page 113 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 FIGURE 108 M A I N T E N A N C E...

Страница 114: ...Citadel 2 0 Instruction Manual page 114 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 FIGURE 109 M A I N T E N A N C E...

Страница 115: ...gated and corrected Every 5 years or 2 000 operations Which ever comes first Withstand Voltage Test 1 Test the breaker with power withstand voltage as specified Every 5 years or 2000 operations Which...

Страница 116: ...ght and have low electrical resistance values Hazardous voltage and high speed moving parts will cause death serious injury and property damage De energize all equipment before working on it Read inst...

Страница 117: ...he circuit breaker springs are charged move the switchgear Close Trip switch to the Close position Verify by both the sound of the circuit breaker closing and by the main contact status indicator that...

Страница 118: ...check 2 Inspection and cleaning of circuit breaker insulation 3 Manual spring charging check 4 Fastener check 5 Wiring and terminals checks 6 Secondary disconnect check drawout only 7 Stored energy o...

Страница 119: ...life expectancy of vacuum interrupters is a function of the numbers of interruptions and magnitude of current interrupted refer to Vacuum Bottle Life graphs Figure 8 Page 34 Vacuum interrupters must b...

Страница 120: ...quiring much effort to overcome when attempting to pull the lower Vacuum interrupter s stem to the Open position by hand Figure 111 page 125 1 When the lower moving stem linkage is released it must au...

Страница 121: ...Citadel 2 0 Instruction Manual page 121 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 M A I N T E N A N C E With Pin Open Without Pin Closed FIGURE 110B FIGURE 110A...

Страница 122: ...cross each Open pole for one minute 6 If the pole sustains the test voltage for that period its vacuum integrity has been verified Note Do not use dc high potential testers incorporating half wave rec...

Страница 123: ...ame registered trademark Insulation and contact resistance test equipment In addition to the high potential test equipment capable of test voltages as listed in Table 19 page 124 the following equipme...

Страница 124: ...actice to couple this with the manual spring charging check of the operator since charging of the spring is necessary to place the contacts in the CLOSED position Note depending on the way the Citadel...

Страница 125: ...sually verify the closing spring has Discharged and that the Citadel circuit breaker is Open 3 Press the Close pushbutton Nothing should happen The manual spring check should demonstrate smooth operat...

Страница 126: ...osion of the VI contacts by 3mm or greater the enlarged gap will allow insertion of the tool and thereby demonstrate that end of life wear has been reached for the VI In these QR code video scenarios...

Страница 127: ...phases The videos are more or less identical each depicting either Phase A B or C The purpose is to show that a normal size arm with tool in hand can reach the measuring point relatively unimpeded QR...

Страница 128: ...aratus Do not work on a breaker in the connected position Do not work on a breaker with springs charged or contacts closed Do not leave maintenance tools around the breaker While the work is in progre...

Страница 129: ...whichever occurs first Generally seven 7 years or 2000 operations should be scheduled as maintenance cycle points Any fault operations that impinge upon VI life curves boundaries should be scheduled...

Страница 130: ...tion Manual page 130 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 Lubrication Points Citadel Breaker Element FIGURE 35B OPERATOR MECHANISM LUBRICATION LUBRICANT SECTORS FIGURE 113 L U B R I C A...

Страница 131: ...Citadel 2 0 Instruction Manual page 131 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 A L U B R I C A T I O N FIGURE 114...

Страница 132: ...Citadel 2 0 Instruction Manual page 132 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 B L U B R I C A T I O N FIGURE 115...

Страница 133: ...Citadel 2 0 Instruction Manual page 133 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 C L U B R I C A T I O N FIGURE 116...

Страница 134: ...Citadel 2 0 Instruction Manual page 134 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 D L U B R I C A T I O N FIGURE 117...

Страница 135: ...Citadel 2 0 Instruction Manual page 135 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 E L U B R I C A T I O N FIGURE 118...

Страница 136: ...Citadel 2 0 Instruction Manual page 136 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 L U B R I C A T I O N FIGURE 119...

Страница 137: ...Citadel 2 0 Instruction Manual page 137 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 L U B R I C A T I O N FIGURE 120...

Страница 138: ...Citadel 2 0 Instruction Manual page 138 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 L U B R I C A T I O N FIGURE 121...

Страница 139: ...Citadel 2 0 Instruction Manual page 139 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 L U B R I C A T I O N FIGURE 122...

Страница 140: ...Citadel 2 0 Instruction Manual page 140 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 L U B R I C A T I O N FIGURE 123...

Страница 141: ...l 2 0 Instruction Manual page 141 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 L U B R I C A T I O N H G F E A B C D Lubrication Points Switchgear Cell FIGURE 35B CELL LUBRICATION SECTORS FIGUR...

Страница 142: ...Citadel 2 0 Instruction Manual page 142 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 L U B R I C A T I O N A FIGURE 125...

Страница 143: ...Citadel 2 0 Instruction Manual page 143 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 L U B R I C A T I O N B FIGURE 126...

Страница 144: ...Citadel 2 0 Instruction Manual page 144 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 C L U B R I C A T I O N FIGURE 127...

Страница 145: ...Citadel 2 0 Instruction Manual page 145 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 D L U B R I C A T I O N FIGURE 128...

Страница 146: ...Citadel 2 0 Instruction Manual page 146 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 E L U B R I C A T I O N FIGURE 129...

Страница 147: ...Citadel 2 0 Instruction Manual page 147 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 F L U B R I C A T I O N FIGURE 130...

Страница 148: ...the spring charge motor has recharged the closing spring anti pump relay Y The anti pump relay Y opens two contacts in series with the close coil CC The close coil CC is now blocked and cannot be act...

Страница 149: ...k the Spring Charged Indicator Breaker will not close Closing spring not charged Charge Closing Spring Breaker closed Check the Position Indicator Breaker is not in proper position Set into the Discon...

Страница 150: ...Citadel 2 0 Instruction Manual page 150 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 W I R I N G D I A G R A M CITADEL BREAKER DC CONTROL FIXED MOUNTED...

Страница 151: ...Citadel 2 0 Instruction Manual page 151 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 W I R I N G D I A G R A M...

Страница 152: ...blank Front Panel silk Screened Indication escutcheon panel blank Indication escutcheon panel silk screened S P A R E P A R T S L I S T The use of unauthorized parts in the repair of the equipment or...

Страница 153: ...F X V 1 0 1 1 2 0 2 1 1600A Vacuum Interruptor 2500A Vacuum Interruptor 5000A Vacuum Interruptor Charging Motor 48V DC 120VAC DC 240 VAC DC Auxiliary switch Opening Closing coil solenoid 48V DC 120VA...

Страница 154: ...0 4 0 D O F X V 1 0 1 1 2 0 2 1 Anti Pump Contactor Specify control voltage Bridge Rectifier Specify control voltage Operations Counter Red Push Button Epoxy molded VI housing Push Rod Assembly Push...

Страница 155: ...age 155 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 Front Panel blank Front Panel silk Screened Indication escutcheon panel blank Indication escutcheon panel silk screened Gear box Micro Switc...

Страница 156: ...Racking tool extension rod 4 Close spring charging tool for semi autonomous application 5 Manual spring charge handle 6 Racking tool 7 Racking tool adapter for semi autonomous application 8 Semi auto...

Страница 157: ...Citadel 2 0 Instruction Manual page 157 I M C 2 0 1 2 2 5 3 0 4 0 D O F X V 1 0 1 1 2 0 2 1 N O T E S...

Страница 158: ...ot apply in all cases The required technical options should therefore be specified in the contract Contact Phone 203 756 2524 x304 x321 technical sales Toll Free 800 806 5552 888 CITADEL 888 824 8233...

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