Table of Contents
Advertisement
Quick Links
Download this manual
See also:
User Manual
Advertisement
Table of Contents
Related Manuals for GE SecoGear
Summary of Contents for GE SecoGear
- Page 1 DEH-50009 Installation, Operation and Maintenance Manual SecoGear 5kV-15kV IEEE Metal-Clad Switchgear...
-
Page 2: Table Of Contents
SecoVac Vacuum Circuit Breakers ....... .15 3. SecoGear Construction ......16 Circuit Breaker Compartment . - Page 3 Circuit Breaker Test Box (Optional) ..........43 SecoGear – Installation, Operation and Maintenance Manual 3 of 56...
- Page 4 11. Notes ..........55 SecoGear – Installation, Operation and Maintenance Manual 4 of 56...
- Page 5 Figure 3-3: Circuit Breaker Automatic Rack in/out ......17 Figure 3-4: SecoGear Primary/Secondary Disconnects ......17 Figure 3-5: Circuit Breaker Primary/Secondary Cluster .
- Page 6 Figure 5-14: Operation Handle ..........39 SecoGear – Installation, Operation and Maintenance Manual 6 of 56...
- Page 7 Figure 9-11: Kirk Lock Location in SecoGear ........
- Page 8 Table 4-9: Recommended Torque Limits ........34 Table 10-1: Diagnosis and Troubleshooting Malfunctions ..... . 54 SecoGear – Installation, Operation and Maintenance Manual 8 of 56...
- Page 9 SecoGear – Installation, Operation and Maintenance Manual 9 of 56...
- Page 10 It is used to notify of practices not related to shall apply. personal injury. Contact your local sales office if further information is required concerning any aspect of SecoGear switchgear operation or maintenance. SecoGear – Installation, Operation and Maintenance Manual 10 of 56...
-
Page 11: Introduction
Many accidents have been caused by unplanned of injury or death to people or damage to equipment in energization from nonrecognized back feeds, equipment close proximity. malfunctions, and from a wide variety of sources. SecoGear – Installation, Operation and Maintenance Manual 11 of 56... -
Page 12: Maintenance
In view of the vital role of these devices, it is important that a periodic test program be followed. GE recommends checking all significant calibrations at an interval of one to two years, until you have accumulated enough SecoGear – Installation, Operation and Maintenance Manual 12 of 56... -
Page 13: 2. Receiving, Handling And Storage
It is preferable to leave the shipping skids in place under the switchgear until it reaches its final location. The equipment should be installed in its final location prior to installing the Figure 2-1: Recommended Lifting Method (Front View) circuit breakers. SecoGear – Installation, Operation and Maintenance Manual 13 of 56... -
Page 14: Forklifts
Figure 2-3: Corner Warning Label Side view Roller Figure 2-5: Method of Moving After shipping skids are removed, roller may be used to roll equipment parallel to front only. SecoGear – Installation, Operation and Maintenance Manual 14 of 56... -
Page 15: Storage
If the circuit breakers are in satisfactory condition, replace them in their shipping cartons for storage. Do not remove the circuit breaker shipping supports at this time. SecoGear – Installation, Operation and Maintenance Manual 15 of 56... -
Page 16: Secogear Construction
CONNECTED and DISCONNECTED/TEST positions. A = Main Busbar Compartment Optional Surge Arresters B = Circuit Breaker Compartment C = Cable Compartment Figure 3-1: Section Contents SecoGear – Installation, Operation and Maintenance Manual 16 of 56... -
Page 17: Fixed Primary Disconnect Contacts
The primary finger clusters on the circuit breaker will engage these contacts when the circuit breaker is racked into the CONNECTED position. Figure 3-5: Circuit Breaker Primary/Secondary Cluster Figure 3-3: Circuit Breaker Automatic Rack in/out SecoGear – Installation, Operation and Maintenance Manual 17 of 56... -
Page 18: Automatic Shutters
(Figure 3-9). For more information, see SECTION 9: Maintenance, “SecoGear Padlocks and Keylocks.” Interlock Lever Interlock Roller Figure 3-7: Interlock for Secondary Disconnect Plug Removal SecoGear – Installation, Operation and Maintenance Manual 18 of 56... -
Page 19: Current Transformers
They are front-accessible by removing the personnel barrier and manually opening the shutters. Figure 3-10: Current Transformers SecoGear – Installation, Operation and Maintenance Manual 19 of 56... -
Page 20: Auxiliary Compartments
When the fuses are disconnected, they are at a safe strike distance from all live parts of the switchgear. The fuse only tray is shown in Figure 3-12. SecoGear – Installation, Operation and Maintenance Manual 20 of 56... -
Page 21: Manually Operated Ground And Test Device
Figure 3-14: Manual Ground and Test Device NOTICE Use of the motor-operated remote racking device to connect or withdraw any ground and test device is strongly recommended. SecoGear – Installation, Operation and Maintenance Manual 21 of 56... -
Page 22: Primary Disconnects
All SecoVac assembly is connected to the tube in the SecoGear circuit vacuum circuit breakers are equipped with wheels for breaker compartment. -
Page 23: Lift Truck
The circuit breaker cannot be moved between the CONNECTED Installation Manual. and DISCONNECTED/TEST positions unless it has been opened. The circuit breaker cannot be closed unless it is in the CONNECTED or DISCONNECTED/TEST position. SecoGear – Installation, Operation and Maintenance Manual 23 of 56... -
Page 24: Installation
Primary SecoGear SecoGear Conduit Leads Front Door Rear Door Concrete Foundation Finished Floor Anchoring Detail (Even & Level) in Figure 4-2 Figure 4-1: SecoGear Installation Drawing – Indoor Anchoring Method SecoGear – Installation, Operation and Maintenance Manual 24 of 56... -
Page 25: Assembling Shipping Sections
3. Installing the left and right end trim covers. 4. Interconnecting the wires between the shipping splits. 5. Taping special bus joints, and taping or booting cable terminations to insulate them. Figure 4-3: Lineup Shown Assembled SecoGear – Installation, Operation and Maintenance Manual 25 of 56... -
Page 26: Bolting Sections Together
Install six bolts per stack (torque to 19.2 ft.-lbs. [26 Nm]). Figure 4-7: Rear Bolt Locations (left and right) Figure 4-5: Position Wires for Clearance SecoGear – Installation, Operation and Maintenance Manual 26 of 56... -
Page 27: Attach Trim Covers
Taped Insulation Where not connected to other switchgear, the welding nut plates SecoGear is provided with main bus joint and cable lug boots to are designed to receive bolts for the left or right end covers. provide insulation protection over connection points. In special cases you may need to use taped insulation or another method to protect the connections. -
Page 28: Part 1: Bus Bars, 5 Kv Or 15 Kv
Electrical grade rubber-based putty 0282A3529 P008 in roll form will be used to grade voids and smooth out sharp edges of joints. This putty has no insulation value. 1-Roll is 1/8” x 1 1/2” x 5ft. LG. High voltage insulating tape 0282A3529 p004 roll is .030” x 2” x 30’ LG. Apply with mastic side down. SecoGear – Installation, Operation and Maintenance Manual 28 of 56... -
Page 29: Figure 4-12: Tape Bus Connection Joint
Insulate as far as possible – Do not cover polarity marks High voltage insulating tape 0282A3529 p004 roll is .030” x 2” x 30’ LG. Apply with mastic side down. SecoGear – Installation, Operation and Maintenance Manual 29 of 56... -
Page 30: Figure 4-14: Tape Tee Connection Joint
High voltage insulating tape 0282A3529 p004 roll is .030” x 2” x 30’ LG. Apply with mastic side down. H.V. Tape 0282A3529 p005 – Roll is .030” x 4” x 30’ LG. SecoGear – Installation, Operation and Maintenance Manual 30 of 56... -
Page 31: Bus Bar Installation
The upper and lower access panels are 3. Install bus boot. each divided into two pieces as seen in Figure 4-17. 4. Re-install rear barrier assembly cover plates. Figure 4-17: Bus Access Panels SecoGear – Installation, Operation and Maintenance Manual 31 of 56... -
Page 32: Figure 4-20: Main Bus Connection - Rear View
.3937 in x 3.1496 in (10 mm x 80 mm) 2000 A Copper .3937 in x 3.1496 in (10 mm x 80 mm) Figure 4-20: Main Bus Connection – Rear View SecoGear – Installation, Operation and Maintenance Manual 32 of 56... -
Page 33: Figure 4-21: Main Bus Connection - Plan (Top) View
Boot Riser Splice Plates Main Bus Figure 4-22: Main Bus Connection – Through Joint Riser Boot Splice Plates Main Bus Figure 4-23: Main Bus Connection – Start or End Joint SecoGear – Installation, Operation and Maintenance Manual 33 of 56... -
Page 34: Recommended Torque Values
Ground Bus Installation Ground bus splice and hardware are typically shipped assembled at both sides of adjacent shipping packages. Figure 4-26: Ground Bus – Rear View Figure 4-24: Typical Ground Bus SecoGear – Installation, Operation and Maintenance Manual 34 of 56... -
Page 35: Cable Access Panels
Figure 4-28: Lower Cable Plates Final Inspection Make a final inspection to see that no tools, construction materials, or other foreign matter have been left in the switchgear equipment. Figure 4-27: Upper Cable Plates SecoGear – Installation, Operation and Maintenance Manual 35 of 56... -
Page 36: Circuit Breaker Installation/Removal
Installation Manual for preparation, inspection, and testing. Check thoroughly for damaged or loose parts and for any dirt or foreign matter. Be sure that a thin film of GE lubricating grease (D6A15A2) is present on primary disconnects of the switchgear before installing the circuit breaker. -
Page 37: Installing Secovac Vacuum Circuit Breaker Into Switchgear
VCB, Figure 5-3. Figure 5-6. SecoVac VCB Properly Mounted on Lift Truck Figure 5-3. The Hoist Rail Slots SecoGear – Installation, Operation and Maintenance Manual 37 of 56... -
Page 38: Insert Circuit Breaker Into Switchgear Compartment
Lock the lift truck in position by pressing down on the floor Figure 5-8. Lift Truck Crank Handle lock lever, Figure 5-13. Figure 5-13. Press the Front Lever to Lock Lift Truck Figure 5-9. Cable Winch Spool SecoGear – Installation, Operation and Maintenance Manual 38 of 56... -
Page 39: Figure 5-14: Operation Handle
Figure 5-15. Operation Handle Fully Engaged into Switchgear Compartment b. Lock the operation handle into place by pressing down and rotating the interlock pin clockwise until it is fully engaged. Figure 5-18. Lock VCB into Switchgear SecoGear – Installation, Operation and Maintenance Manual 39 of 56... -
Page 40: Figure 5-19: Rotate Interlock Pin Counterclockwise To Unlock The Latch Handle
Verify that the VCB safety stop has returned to the extended position, Figure 5-21. If necessary, release by inserting a screw driver into the slot to dislodge, Figure 5-23. Release Floor Lock Figure 5-22. SecoGear – Installation, Operation and Maintenance Manual 40 of 56... -
Page 41: Removing The Circuit Breaker
When it makes a clicking sound, the VCB is now in the Connected position. The VCB position indicator will change the status from “TEST” to “CONNECTED”, Figure 5-29 through Figure 5-31. SecoGear – Installation, Operation and Maintenance Manual 41 of 56... -
Page 42: Racking The Circuit Breaker To Disconnected/Test Position
Figure 5-27. Racking Handle Insertion on Door Figure 5-31. Connected Position (Red) For more information please refer to Publication#DEH-50001 SecoVac Vacuum Circuit Breaker Installation Manual. Figure 5-28. Access Hole Open SecoGear – Installation, Operation and Maintenance Manual 42 of 56... -
Page 43: Testing And Inspection
This TEST position permits complete testing of the electrical control circuit without energizing the primary power circuit. Figure 6-1: SecoVac Test Box SecoGear – Installation, Operation and Maintenance Manual 43 of 56... -
Page 44: Circuit Breaker Operation
CLOSE pushbutton on the front cover. Opening Operation A manually operated OPEN pushbutton mounted on the circuit breaker front cover, operates the trip shaft to open the circuit breaker. SecoGear – Installation, Operation and Maintenance Manual 44 of 56... -
Page 45: Energizing The Switchgear
If problems caused by damage or poor installation practices have not been detected in the above checklist, serious damage can result when power is turned on. SecoGear – Installation, Operation and Maintenance Manual 45 of 56... -
Page 46: Maintenance
Circuit Breaker Test for Proper Operation Test and inspect all circuit breakers for proper operation c. Depress the OPEN button on the front of the as follows: circuit breaker. SecoGear – Installation, Operation and Maintenance Manual 46 of 56... -
Page 47: Lubrication
3. Check mounting of the device. Under normal conditions, the protective relays do not operate; therefore, it is important to check the operation of these devices regularly. Refer to the Relay manual for detailed instructions. SecoGear – Installation, Operation and Maintenance Manual 47 of 56... -
Page 48: Main Bus Compartment
When you have completed the maintenance, reverse these steps to reassemble the compartment. Main Bus Compartment Support Plate Main Bus Compartment Cover Plates Partition Plate Cable Channel Assembly Figure 9-1: Rear Compartment Assembly Illustration SecoGear – Installation, Operation and Maintenance Manual 48 of 56... -
Page 49: Replacing Current Transformers (Cts)
CT modules; apply 7/8” and 2” spacers (Figure 9-3) to Figure 9-5: CT Wire Harness in Compartment piggyback CT modules. Figure 9-3: CT Spacers, 7/8” (left) and 2” (right) SecoGear – Installation, Operation and Maintenance Manual 49 of 56... -
Page 50: Overall Switchgear
The door padlocking provision, described below, must also be used to make sure the circuit breaker cannot be racked in by unauthorized personnel. Figure 9-7: CT Installed, Shutters in Open Position SecoGear – Installation, Operation and Maintenance Manual 50 of 56... -
Page 51: Door Padlock Provision
“high voltage” compartment of the cubicle. In order for the shutters to open, both sides need to actuate, so you need to lock out only one side. Figure 9-11: Kirk Lock Location in SecoGear SecoGear – Installation, Operation and Maintenance Manual 51 of 56... -
Page 52: Key Interlocks (Optional)
Require minimum of 1 padlock. Figure 9-13: Locked Stopper Rod Position SecoGear – Installation, Operation and Maintenance Manual 52 of 56... -
Page 53: Paint Refinishing
Under normal conditions, no special maintenance procedures or lubrication is required for this device. If the cable is abraded under any condition, it should be inspected for broken strands or other damage and replaced if necessary. SecoGear – Installation, Operation and Maintenance Manual 53 of 56... -
Page 54: 10. Repair And Replacement
• Vacuum bottles • Counter • Spring charge indication switch • Shutter mechanism Circuit Breaker Spare Parts For spare part details, please refer to Publication#DEH-50001 SecoVac Vacuum Circuit Breaker Installation Manual. SecoGear – Installation, Operation and Maintenance Manual 54 of 56... -
Page 55: Notes
Notes SecoGear – Installation, Operation and Maintenance Manual 55 of 56... - Page 56 Imagination at work *Registered trademark of the General Electric Company. The GE brand, logo, and lumination are trademarks of the General Electric Company. © 2018 General Electric Company. 41 Woodford Avenue Information provided is subject to change without notice. All values are design or typical values when measured under Plainville, CT 06062 laboratory conditions.