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Summary of Contents for Eaton RVAC
- Page 1 Instruction Leaflet IL0102002E Effective April 2018 Ring Main Unit Operation Instruction Product Type Product Name RVAC Indoor, Fixed, AC Metal-Enclosed Switchgear (SF6 RMU)
- Page 2 In case of any special occurrence, contact the After Sales Department of Cooper Power System. The information within the manual is subject to changes without further notice. EATON CORPORATION www.eaton.com...
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Page 3: Table Of Contents
Chapter 7 Ordering information ................. . EATON CORPORATION www.eaton.com... -
Page 4: Chapter 1 Product Introduction
2.1. Ambient air temperature: 1. General description Upper limit: +40°C, and the average temperature measured The RVAC indoor fixed AC metal enclosed switchgear (hereafter within 24 hours ≤35°C; as RMU) is a new generation of SF6 gas insulated switchgear Lower limit: -40°C;... -
Page 5: Catalogue Numbering System
Rated pressure of SF6 gas (20°C, meter pressure) 0.03 0.03 ≤ 0.1% ≤ 0.1% SF6 gas leakage rate yearly *12kV series of RVAC just verified and applied in China (with GB certifications). Any doubt please contact us. EATON CORPORATION www.eaton.com... -
Page 6: Standards
IEC 60265-1 High-voltage switches - Part 1: Switches for rated voltages above 1 kV and less than 52 kV IEC 60529 Degrees of protection provided by enclosures(IP Code)DL/T 592-2006 common specifications for high-voltage switchgear and controlgear standard EATON CORPORATION www.eaton.com... -
Page 7: Typical Functions
The ring network power supply system with only one power supply Figure 3 Note: a) “ ” RMU b) “K” open loop point Dual-power supplied ring network power supply system Figure 1 Two-independent-power supplied ring network power supply system Figure 2 EATON CORPORATION www.eaton.com... -
Page 8: Typical Schemes And Structures
Instruction Leaflet IL0102002E Ring Main Unit Operation Instruction Effective April 2018 7. Typical schemes and structures (see Figure 4, 5 and 6) Bus connector RVAC-KKT RVAC-T Load switch branch Combination unit branch Figure 4 RMU structure diagram EATON CORPORATION www.eaton.com... - Page 9 1. Busbar 5. Incoming/outgoing cable bushing 2. Load break switch 6. Pressure relief device 3. Bus connector, Extension bushing 7. Fuse tube 4. Spring operating mechanism Figure 5 Sealed enclosure housing cross-section drawing Figure 6-1 Basic schemes EATON CORPORATION www.eaton.com...
- Page 10 The three-position load switch is The layout of the typical scheme is shown in Figure 4 (RVAC-KKT). in the opening position when the knife is in the middle position. The three-position load switch is in the closing position and ground The overall structure is composed of two major parts, the position separately when the knife is in the two-limit positions.
- Page 11 The pressure relief channel is located behind the cable compartment. On the front is located a pressure meter, a main wiring mimic diagram, a voltage presence display, an operating hole and operation buttons, a nameplate, a mechanism compartment door, and a cable compartment door. EATON CORPORATION www.eaton.com...
- Page 12 The fuse is secured on the locking plug with screws, offering reliable insulation with close cooperation of the silicone rubber locking plug and the epoxy insulating tube. EATON CORPORATION www.eaton.com...
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Page 14: Chapter 2 Transport, Handling, Inspection And Storage
CHECK THE WEIGHT OF THE SWITCHGEAR. DO NOT USE WORN OUT AND DAMAGED STEEL ROPES OR LIFTING RINGS. DO NOT USE THE LIFTING EQUIPMENT WITH THE LIFTING CAPACITY LESS THAN THE WEIGHT SHOWN ON THE NAMEPLATE OF THE SWITCHGEAR. EATON CORPORATION www.eaton.com... -
Page 15: Chapter 3 Installation
Chapter 3 Installation CAUTION THE PRODUCT SHALL BE INSTALLED BY PROPERLY TRAINED PROFESSIONALS OR UNDER THE INSTRUCTION OF PROFESSIONALS. 1. RMU dimensions RAVC-K, RVAC-T and RVAC-V are taken as examples for RMU dimensions. See Figure 11. 130 130 Width Width... - Page 16 Figure 12.2 The frame installation base at the RMU side 2.4. To ensure the installation quality of the basic elements, the levelness of the framework installation requires the tolerance of 1 square meter shall be less than 3 mm. EATON CORPORATION www.eaton.com...
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Page 17: Rmu Fixation
See Figure 13. Use M12 connecting screws or bolts, with the torque of 70 ±7Nm. The grounding wire is not included in the supply scope. Figure 13 Grounding position diagram EATON CORPORATION www.eaton.com... -
Page 18: Cable Installation
Lift up the interlocking device, and release the lockout of the cable compartment door (see Figure 14.2); Remove the cable compartment door, and open the cable compartment (see Figure 14.3); Figure 14.1 Ground switch status indication Figure 14.2 Cable compartment door interlocking device EATON CORPORATION www.eaton.com... - Page 19 ACCORDING TO ITS REQUIREMENTS. FAILURE TO DO SO WILL SEVERELY AFFECT THE NORMAL OPERATION OF THE EQUIPMENT. RED-COLORED PROTECTIVE DUST CAP IS FORBIDDEN TO BE PUT INTO OPERATION, AND CAN NOT REPLACE THE INSULATION COVER FOR USE. EATON CORPORATION www.eaton.com...
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Page 20: Fuse Installation
Figure 17. Check whether the installation direction is correct, because the fuse’s striker pushes the load switch to open after the fuse is blown. Therefore, the striking end of the fuse (small end) must be outward; EATON CORPORATION www.eaton.com... - Page 21 Then replace the fuse as follows: Make sure that the fuse has blown out, and the load switch has opened; Move the 3-posiition load switch to the ground position, ensuring that both ends of the fuse are grounded; EATON CORPORATION www.eaton.com...
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Page 22: Cabinet Connection And Installation
• To check all the fastening pieces for looseness, and remove the tools and parts no longer needed on the installation site; • To check the wirings on the installation site; • To check the effectiveness of the interlocks. EATON CORPORATION www.eaton.com... -
Page 23: Chapter 4 Operation
The load switch cabinet offers the following question-and-answer mechanical interlock. Load switch Ground switch Cable compartment door Closed Locked Locked Opened Not locked Locked Locked Closed Not locked Not locked Opened Locked Locked Locked Open Locked Not locked Close EATON CORPORATION www.eaton.com... -
Page 24: Combination Unit Cabinet
Ground switch open/close state indication Cable compartment door interlocking device Fuse status indication Voltage presence indication mark Fuse mimic line Branch bus mimic line Padlock locking position Note: * is optional and can be equipped as per the customer’s request. EATON CORPORATION www.eaton.com... - Page 25 Chapter 3 Section 6 Fuse Installation WARNING THE FUSE STATUS INDICATION SHALL BE CONFIRMED FIRST DURING OPERATION. IF THE FUSE IS IN DISCONNECTED STATE, REPLACE THE FUSE AS SOON AS POSSIBLE. IT IS FORBIDDEN TO CONDUCT CLOSING OPERATION ON THE LOAD SWITCH. EATON CORPORATION www.eaton.com...
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Page 26: Circuit Breaker Cabinet
Padlock locking position meter Ground switch operating hole Disconnecting switch operating hole Disconnecting switch opening/closing status indication Ground switch opening/closing status indication Cable compartment door interlock Note: * is optional and can be equipped as per the customer’s request. EATON CORPORATION www.eaton.com... - Page 27 Lift up the lock catch of the interlocking device to lock the operation of the ground switch, and open the cable compartment door; EATON CORPORATION www.eaton.com...
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Page 28: Rvac Cabinet Types
Instruction Leaflet IL0102002E Ring Main Unit Operation Instruction Effective April 2018 4. RVAC cabinet types RVAC series Primary scheme Type No. Name Function Others RVAC-B(A) Cable incoming The incoming/outgoing cable is 1. The HV part is inside the SF6 gas. - Page 29 Ring Main Unit Operation Instruction Instruction Leaflet IL0102002E Effective April 2018 4. RVAC cabinet types (Continued) RVAC series Primary scheme Type No. Name Function Others RVAC-M Metering Equipped with normal current 1. Air insulation cabinet transformer and voltage 2. Bus connection transformer, for the convenience 3.
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Page 30: Chapter 5 Operation, Maintenance And Repair
SF6 gases of same density offer different the drive parts, and tighten the loose nuts and screws. pressures at different temperatures, the curve as shown in Figure Figure 19 Pressure curve according to gas density and temperature change EATON CORPORATION www.eaton.com... -
Page 31: Maintenance And Repair
To check the fastening status of the sealing parts Once every 12 years Mechanical inspection Testing To measure the circuit resistance and see whether there Once every 12 years Electrical inspection are any abnormal changes; Opening/closing operation characteristics test EATON CORPORATION www.eaton.com... - Page 32 THE DEVICE SHALL BE WITHDREW AND QUIT OPERATION. 2.5. Testing after repair Usually, inspections shall be conducted after the repair of the RMU, including main circuit resistance measurement, seal tightness test, and main circuit power frequency withstand voltage test. EATON CORPORATION www.eaton.com...
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Page 33: Chapter 6 Supplied Documents And Accessories
• Electric equipment summary table; • Please make it clear when the switchgear is to be used under special environment conditions • Please specify category and quantity when other or a large number of accessories and spare parts are needed. EATON CORPORATION www.eaton.com... - Page 34 PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES. (“Eaton”) experience and judgment, and may not cover all In no event will Eaton be responsible to the purchaser or user in contingencies. If further information is required, an Eaton sales contract, in tort (including negligence), strict liability, or otherwise office should be consulted.
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