VYCON. REGEN for Rail. Flywheel Energy Storage

Transcription

1 VYCON REGEN for Rail Flywheel Energy Storage 1

2 Why Store Energy in Metro Rail?

3 Cost of Energy 1 TWh 3.4 TWh 1.4 TWh Metro Op Costs 100% Electricity Costs 15-20% Traction Energy Costs 65-75% 3

4 Electricity, Consumption and Losses Traction Energy Metro Op Costs 100% Electricity Costs 15-20% Traction Energy Costs 65-75% 100% Regenerative Energy 33% Traction Loss Storable Energy A portion of 3% is Recoverable of total Operational Cost Savings DC bus regulation energy from regenerative braking Braking Loss Braking Loss 17% Motors 8% Converters 2% Transmission 4% Auxiliary Systems 20% Resistance 16% 4

5 Carbon Footprint CO 2 Emissions of thirty large metros worldwide Electricity use contributes nearly 90% of a metro s carbon footprint 5

6 Energy Saved; Lowering CO 2 Footprint In 2013/14 regenerative braking was introduced on the London Underground. As a result, London Underground was able to serve 3% more passenger km whilst producing 4% less grams of CO 2. Energy Saved = Direct Lowering of CO 2 Footprint 6

7 Energy is Here and Now Storage is Central to Supply and Demand Inequalities DC to DC regenerated energy is more efficient Enables peak shaving and voltage regulations Delinks savings from scheduled synchronization Minimal interference with the rail network 7

8 Storage Why and Where? Where? Onboard Lower transmission loss Useable only locally in train Higher energy capacity required for similar savings Diminishing returns with weight Space-constrained Higher installation and operational cost Allows catenary-free operation Wayside Can stabilize local substation Can transfer between trains Lower energy capacity required for similar savings Less constrained in size and space and weight Lower costs overall 8

9 Energy Storage Technologies Batteries Longer cycle time High energy density Lower life Long Term Storage Grid Stabilization Flywheels High energy density Very long life (virtually unlimited cycle life) High Conversion Efficiency High Energy Cycling Mission Critical Power Bridge ELDC (Supercapacitors) Shorter Cycle times Limited life in cycles Stringent temperature constraints Ultra Fast Discharge Portable Application 9

10 What s the Right Technology? Optimized Technology in One Package for Metro Rail > Energy density > Power density > Cycle life Attributes Cycle every seconds Easy installation Modular units No need for Climate control Cell management Special auxiliary systems Minimal or no maintenance 10

11 Energy Storage Decision Criterion Efficiency Reliability Life } = Payback Economics 11

12 REGEN for RAIL 12

13 Energy Storage Systems Energy Recycling REGEN for Rail REGEN for Rail Stores and recycles energy to reduce peak loads or even out demand sags and surges 125kW of continuous cycling capability 10,000 to 20,000 RPM 750VDC and 1500VDC 18 secs charge/ discharge of full energy Unlimited cycling to full power (charge-discharge) every seconds Payback of 4 to 6 years in Rail applications Long +20 year life REGEN LA Metro WESS Project 13

14 Flywheel Energy Storage Soft Start To 3 rd Rail DC Bus Power Conversion Module & Controller Flywheel with Magnetic Levitation Controller User GUI 14

15 Next Generation Flywheel Design Rotor Permanent Magnet Housing Vacuum environment Hub 4340 Aerospace steel Magnetic Bearings Fully active 5-Axis Stator Dual Mode Motor/Generator Mechanical battery stores energy by spinning a mass, produces high power output for short duration (10-30 seconds) Dual Mode Motor / Generator converts kinetic energy into electricity when needed, quickly charges (converts electricity into kinetic energy) to be ready for next event Five-axis active magnetic levitation eliminates any bearing maintenance, no fiction losses. Efficient high speed permanent magnet motor/generator in a low friction environment Key Benefit 20 year operating life with no flywheel maintenance 15

16 Basic Operational Sequence Rail DC Bus FWM4 FWM3 I Line V Line VYCON RR500 FWM2 FWM1 DC SwitchGear METRO Utility Power 480VAC, 3Ф FWU1 DC AC FWU2 FWU3 FWU4 DC AC DC AC DC AC Modbus Status &Control WESS RealTime Controller I Line V Line Rectifier 01 4line Display 4line Display 4line Display 4line Display Rectifier 02 16

17 Basic Operational Sequence Rail DC Bus FWM4 FWM3 I Line V Line VYCON RR500 FWM2 FWM1 START CMD DC SwitchGear METRO Utility Power 480VAC, 3Ф FWU1 DC AC FWU2 FWU3 FWU4 DC AC DC AC DC AC Modbus Status &Control WESS RealTime Controller I Line V Line Rectifier 01 4line Display 4line Display 4line Display 4line Display Rectifier 02 Start Up Ready Charging Fully Charged Discharge Ready 17

18 LA Metro Energy Storage (WESS Project) US DoT, LA Metro, VYCON teamed up to apply a state-of-the-art WESS Scope: 2MW / 8.2 kwh REGEN for Rail System at Traction Power Substation Ready for expansion to 6MW/24.6 kwh capacity Benefits: Save Energy Reduce peak power demand Provide voltage support Substitute for substations in a new or expanded line Operating continually since 2014 Continuously monitored for data analysis and operational optimization for 3 years Controls capable of switching modes based on maximum benefit to Metro (energy savings vs peak power vs voltage stabilization) 18

19 Traction Energy Saved LA Metro Westlake WESS Energy Saved % Energy Saved by WESS (MWh) % 25% 20% 15% 10% 5% Energy Saved (%) 0.0 0% Day Energy Saved by WESS % Energy Saved Every 24 hours, WESS saves an average of 1.6 MWh or 14.2% Maximum Energy Saved: 31% 19

20 LA Metro Savings Everyday the REGEN for Rail system at LA Metro saves an average of MWh energy while providing: No maintenance No energy degradation Minimal size and weight compared to batteries or super caps Over 20 years of life No need for temperature regulation No health risks due to chemical leaks Minimal cost /kw compared to other storage devices Easy to add or remove modules due to changing schedules Real-time monitoring 20

21 VYCON Energy Storage Established in field since 2003 Subsidiary of Calnetix Technologies; largest flywheel manufacturer in the world Over 1,200 units operating Mission Critical Markets UPS Emergency services (Medical) Defense Cyclic Energy Saving Ports Industrial Rail Worldwide Certified OEM partners 21

22 Thank You Venky Krishnan Director, Business Development & Special Programs Visit us at Booth #E09