© 2015 Eaton. All Rights Reserved.. Secondary Distribution SF6 Insulated Ring Main Unit RVAC January 22nd,2020
2 © 2015 Eaton. All Rights Reserved.. Long history of excellence in the electrical business: Power of Fusion • Continue to grow and expand capabilities worldwide through acquisitions: • 1978, Cutler-Hammer • 1994, Westinghouse Distribution and Control Business Unit • 2003, London-based Delta plc. • 2004, Powerware • 2008, Moeller Group • 2008, Phoenixtec • 2010, EMC Engineers and Wright Line • 2012, Cooper Industries Inc.
3 © 2015 Eaton. All Rights Reserved.. Plant and Product footprint
4 © 2015 Eaton. All Rights Reserved.. RVAC is the latest Eaton Ring Main Unit with advanced features providing safe, reliable and efficient solutions for all applications in the Medium Voltage Distribution network Overview - Network solution
5 © 2015 Eaton. All Rights Reserved.. Full range of functions to meet your needs Complete range of functions to cover almost all networks configurations requirements Compact, flexible. Up to 4 functions in one tank. Optionally extensible on both sides. RVAC series typical functions PT • Direct busbar connected potential transformer (PT) B • Direct Incoming or feeder K K M • Metering panel T T L • Bus coupler PT • Busbar connected PT with disconnector V • Circuitbreaker • Load Break Switch • Fused load break switch
6 © 2015 Eaton. All Rights Reserved.. RVAC Performance parameter Unit LBS CB FLBS LBS CB FLBS Rated voltage kV 12 24 Rated frequency Hz 50 50 Rate current A 630 630 125 630 630 100 Impulse withstand voltage direct / across isolating distance kV peak 75/85 125/145 Power frequency withstand voltage direct / across isolating distance kV 1min 28/32 50/60 Short-time withstand current kA/s 20/3 Fuse curve 20/3 Fuse curve Peak withstand current kA 50 50 Electrical endurance life class E3 E2 E3 E2 Mechanical endurance life Times M1 M1 Transfer current A 1500 900 Internal arc certification kA-s AFLR 20kA /1s Protection degree Sealed gas tank = IP67 Front panel = IP4x
7 © 2015 Eaton. All Rights Reserved.. Designed for harsh environment • Temperature: • -25°C to +40°C • Optional: -50°C to +65°C • Relative humidity: • Daily average ≤ 95% • Monthly average ≤ 90% • Altitude: ≤ 1000 m； 7 *Different conditions or special requirements please contact us.
8 © 2015 Eaton. All Rights Reserved.. Function Introduction RVAC Load Break Switch Function “K” Standard: • Load break switch function • Manual operation mechanism • Clear mimic indication • Logical mechanical interlocks to avoid mis-operation • Voltage indicator Optional: • AC or DC from 24V to 220V electrical operation • Fault indicator: Short circuit and earth fault • Bushing CT/Ring CT • Single phase VT/3 phase compact VT • Both side extensible • Thermostat and heater
9 © 2015 Eaton. All Rights Reserved.. Function Introduction RVAC Fuse-Switch Combination Function “T” Standard: • Manual operation mechanism • Logical mechanical interlocks to avoid mis-operation • Earthing switches on both side of the fuses to ensure operator safety • Clear mimic indication • Voltage indicator • Fuse blown indicator Optional: • AC or DC from 24V to 220V electrical operation • Cable fault indicator: Short circuit and earth fault • CT for measurement • Both side extensible • Thermostat and heater
10 © 2015 Eaton. All Rights Reserved.. Function Introduction RVAC Circuit Breaker Function “V” Standard: • Manual operation mechanism • Clear mimic indication • Logical mechanical interlocks to avoid mis-operation • Voltage indicator Optional: • AC or DC from 24V to 220V electrical operation • Cable fault indicator: Short circuit and earth fault • CT for measurement • Single phase VT/3 phase compact VT • Self-powered protection relay/External power supply protection relay • Surge arrestor • Both side extensible • Thermostat and heater • Zero sequence CT
11 © 2015 Eaton. All Rights Reserved.. Function Introduction RVAC Direct incoming Function “A” “B” Standard: • Cable direct connection to main busbar • A is air insulated, cable access from lateral • B is gas insulated cable access from cable • Compartment • Clear mimic indication • Voltage indicator Optional: • Cable fault indicator: Short circuit and earth fault • Both side extensible • Thermostat and heater
12 © 2015 Eaton. All Rights Reserved.. Function Introduction RVAC Bus coupler Function “L” “L(V)” Standard: • W=480/600mm • L using a K type switch (W=480mm) • L(V) using a V type circuit-breaker (W=600mm) • Clear mimic indication • Voltage indicator Optional: • Interlock with incoming panel • Thermostat and heater
13 © 2015 Eaton. All Rights Reserved.. Function Introduction RVAC Metering Function “M” Standard: • W=800mm • Air insulated • With CT and VT • Clear mimic indication • Voltage indicator Optional: • Ammeter, Voltmeter • Thermostat and heater
14 © 2015 Eaton. All Rights Reserved.. Function Introduction RVAC VT Function “PT” Standard: • W=500/370mm • PT (I)-Air insulated • PT (II)-Gas insulated, with 3PS • Clear mimic indication • Voltage indicator Optional: • Extensible from both sides • Thermostat and heater
15 © 2015 Eaton. All Rights Reserved.. Function introduction Main Components -Bussmann fuse (optional) • A full range of high end Medium Voltage fuses D≤86mm
16 © 2015 Eaton. All Rights Reserved.. Function introduction Main Components – Cooper Cable plugs Easy and Ergonomic Connection of Cables • Full front access • Ergonomic cable connection height • Possibility to connect 2 cables per phase up to 300 Sqmm or connect 1cable + surge arrestor • Cooper cable plugs optional COMPARISON BETWEEN CHINA COMPETITORS Results as of 4/30/07 0.001 0.01 0.1 1 0 500 1000 1500 2000 2500 3000 3500 HOURS TAN DELTA @ 15kV F - Local Sil G - Imported EPDM H - Imported EPDM COOPER A - Local Sil C-1 Imported Sil D - Local EPDM E - Local EPDM C - 2 Imported Sil B - Imported Sil Sample Failure Time Manufacturer - Material - Rated Voltage
17 © 2015 Eaton. All Rights Reserved.. Function introduction Flexibility by design • Flexibility in the combination of the electrical functions to meet most of the network configurations. • Any combination of load break switches and circuit-breakers can be placed in a panel unit. • Some typical examples: 17
18 © 2015 Eaton. All Rights Reserved.. Function introduction Full set of accessories for easy product evolution • Accessories to maximize the flexibility • Sets of accessories to meet all on site works purposes: extension with additional panels, maintenance, product evolution with enhanced features, etc… 18 Busbar extension link Extension end stopper Motorization module Ring CT Bushing CT Cable terminal plug Fault indicators Voltage transformer
19 © 2015 Eaton. All Rights Reserved.. Function introduction Full set of accessories for easy product evolution • Accessories to maximize the flexibility • Sets of accessories to meet all on site works purposes: extension with additional panels, maintenance, product evolution with enchanched features, etc… Self-powered protection relay PSW100 Self-powered protection relay PSW105 Single phase PT
20 © 2015 Eaton. All Rights Reserved.. 1. CB mechanism 2. Disconnector mechanism 3. Busbar 4. Disconnect Switch 5. Vacuum interrupter 6. Busbar link 7. Cable bushing 8. Pressure relief device Product structure Main Components located in a sealed for life tank 1. Busbar 2. Switching device 3. Busbar link 4. Mechanism 5. Cable bushing 6. Pressure relief device 20 Load Break Switch Fuse-Switch 1 2 3 4 5 7 6 8 Circuit Breaker 1. Busbar 2. Switching device 3. Busbar link 4. Mechanism 5. Cable bushing 6. Pressure relief device 7. Earthing Switch 8. Fuse Chamber Safety
21 © 2015 Eaton. All Rights Reserved.. Product structure Compartments Overview • Segregated compartments to avoid fault expansion Mechanism Cabinet 3 Position Switch Cable Gas Tank Compartment Fuse Chamber Safety
22 © 2015 Eaton. All Rights Reserved.. Product structure Main Components-3PS • Safety by design • Closing and opening speeds independent from operator Close position Open position Earth position Safety
23 © 2015 Eaton. All Rights Reserved.. Product structure Safety at highest level 23 Safety Continuous pressure monitoring Gas possible for 30 years Each tank gas pressure monitoring Integrated humidity absorber Optional P gauge with contacts Low pressure alarm Low pressure Interlock P release device Pressure relief device on each gas tank Gas duct
24 © 2015 Eaton. All Rights Reserved.. Product structure Friendly operation 24 Efficiency Friendly operation interface ： 1. VDS 2. Meter 3. Push button and lamp 4. Fault indicator 5. ES operation hole 6. LBS position indicator 7. ES position indicator 8. Mimic fuse 9. Cable Compt. Access Interlock 10. Fuse status indicator 11. Load switch open switch 12. LBS operation hole 13. Mimic diagram 14. P gauge 1 2 3 4 5 6 7 9 12 13 14 11 10 8
25 © 2015 Eaton. All Rights Reserved.. Product structure Easy to extend 25 Efficiency • Convenient extensibility • Compact panel • Both extensible • End busbar stopper and cover
26 © 2015 Eaton. All Rights Reserved.. Product structure Main Components - Fuse chamber 1. Fuse Pin 2. Cover 3. Fuse chamber 4. Fuse 5. O-Ring 6. Incoming/Outgoing Terminal 7. Fuse Fixed spring piece 8. Incoming/Outgoing Terminal 9. Cover fixed spring piece 10. Handle 1 2 3 4 5 6 10 9 8 7 Easy installation and operation from front side Efficiency
27 © 2015 Eaton. All Rights Reserved.. General arrangement • Maximized compactness to limit footprint and ease site handling and installation. K Load Break Switch T Fused Switch V Circuit-breaker with Protection relay Voltage kV Depth mm 12 800 24 870 Economy
28 © 2015 Eaton. All Rights Reserved.. Strict inspection Quality Control Each main bushing shall to be inspected via X-ray & PD checking to ensure High Quality Reliability
29 © 2015 Eaton. All Rights Reserved.. RVAC Certified to meet latest applicable standards and easy to customize to specific requirements • RVAC complies with latest regulations • IEC standards • IEC 62271-1 : Common specifications • IEC 62271-200 : Metal-enclosed switchgear • IEC 62271-304 : Severe climatic conditions • IEC 62271-100 : Circuit-breakers (M1/E2) • IEC 62271-103 : Load break switches (M1/E3) • IEC 62271-102 : Disconnector/earthing switches (M0) • IEC 62271-102 : Earthing via vacuum interrupter (E2) • IEC 62271-105 : High Voltage Alternating Current Switch-Fuse Combinations • IEC 60529 : Degree of protection • IEC 60044-1 : Current transformers • EN 50181 : Cable cones • China National and Utilities standards: • DL/T 592 : Common Specifications For HV Switchgear And Control Gear Standard • DL/T 402 : Specification Of HV AC Circuit-breakers • DL/T 404 : AC Metal-enclosed Switchgear And Controlgear Rated 3.6kV To 40.5kV • DL/T 486 : Specifications For HV AC Disconnector And Earthing Switch • GB 3906 : AC Metal-enclosed Switchgear And Controlgear Rated 3.6kV To 40.5kV • GB 3804 : HV AC Switches Rated 3.6kV And Up To 40.5kV • GB 16926 : HV Alternating-current Switch-fuse Combinations • GB 1984 : HV AC Circuit Breakers • GB/T11022 : HV Switchgear and controller • GB1985 : HV disconnector and earthing switch
30 © 2015 Eaton. All Rights Reserved.. RVAC Certified to meet latest applicable standards and easy to customize to specific requirements
31 © 2015 Eaton. All Rights Reserved.. RVAC Certified to meet latest applicable standards and easy to customize to specific requirements
32 © 2015 Eaton. All Rights Reserved.. • Utilities • Industry • Commercial buildings • Infrastructure • Kiosk installation • Wind farms RVAC RMU Applications
33 © 2015 Eaton. All Rights Reserved.. RVAC Ring Main Unit Project Reference in Thailand
34 © 2015 Eaton. All Rights Reserved.. RVAC RMU Project Reference in Thailand 24kV RVAC in Year 2015（Total:89* units） * Total cubicle number is more than this number. Some projects required several function in one gas tank, we only book the number of complete unit not separated cubicle number. Item Project Name Contract Series No. Contract sign date Qty. Ship date 24kV Total of Year 2015 1 Project of Yixing Jiangsu Economic Development Zone 24KV ring network cabinet PDSE20150206A 2015-02 5 2015-03 2 Nantong Xinli Investment Company Limited (a new product of three) PDSE20150630ZA 2015-06 6 2015-07 3 Xuchang Xuji power distribution project PDSE20150907ZA 2015-09 4 2015-09 4 Pirom at Vineyard #1, Saraburi, Thailand 15.08.0243(R.2) 2015-08 2 2015-08 5 Pirom at Vineyard #2, Saraburi, Thailand 15.08.0262 2015-08 3 2015-09 6 Aspire Sathorn-Thapra, Bangkok, Thailand 2015-11 1 2016-02 7 Solar Farm at Tak , Thailand 2015-12 2 2016-02 24kV Total of Year 2016 1 Eaton Thailand (demo) Project (TH) 2016-03 3 2016-05 2 Cheewathai Bangpo Project (TH) 2016-06 5 2016-08 3 Politan Rive Project (TH) 2016-09 1 2017-04 4 Plum Condo- Ramkhamhaeng Station Project (TH) 2016-09 1 2017-10 5 Plum Condo-Pinklao Station Project (TH) 2016-09 1 2017-11 24kV Total of Year 2017 6 Annex Building-Chulabhorn Hospital Project (TH) 2017-01 2 2017-03 7 Bangkok Cable Factory Renovation Project (TH) 2017-02 1 2017-04 8 National Park & Plant Conservation Department Project (TH) 2017-02 1 2017-05
35 © 2015 Eaton. All Rights Reserved.. Benefits Safety • Professional R&D team and design software • ISO9001, ISO14001, OHSAS18001 Certified • 3rd party tested and certified • Strict supply chain management • Strict quality control Reliability • Vacuum technologies for over 50 years: More than two million units service for worldwide well • Simulation design • Cooper Bussmann fuse • Cooper cable terminal plug Safety Reliability
36 © 2015 Eaton. All Rights Reserved.. Benefits Efficiency • Easy to install and connect • Easily to extend • Front cable connection • Front fuse installation • Compact design reduce installation workload Economy • Low end of life disposable costs • Small footprint • VT in Circuit breaker function • 30 year expected product life • Maintenance-free medium voltage equipment Efficiency Economy
37 © 2015 Eaton. All Rights Reserved..