Remote Real-Time Measurements of Voltage, Current and Energy

Transcription

1 Remote Real-Time Measurements of Voltage, Current and Energy Chris Yakymyshyn Pam Hamilton Michael Brubaker Slide 1

2 Outline Introduction FieldMetrics (FMI) Products Applications FMI Development projects Slide 2

3 Introduction Founders (2001) Pam Hamilton, President Chris Yakymyshyn, VP Technology Mike Brubaker, VP Engineering Founders background GE Corporate R&D, ABB Power T&D, National Laboratories, Universities, NxtPhase, Scientific Materials >40 US patents issued R&D 100 Award recipients in 1995 and 2005 Slide 3

4 Introduction Past and current funding from federal grants and founders Facilities in FL for R&D and manufacturing Facility in CO to support R&D Actively seeking and negotiating partnerships for integrated solutions Distributed manufacturing with ISO certified companies Slide 4

5 Instrumentation Goals Cost-effective Simplified installation/retrofit (clamp-on, light-weight, self-powered) Not confined to substation environment (wireless) Environmentally friendly (no SF 6 or oil) High reliability (meet or exceed relevant test standards) Flexible design Slide 5

6 FieldMetrics Core Products MetPod Fiber MetPod MetPod Lite Slide 6

7 The MetPod Wireless antenna Integrated device includes voltage sensor, current sensor, meter and power supply Light-weight, low cost package Electronics Device clamps onto an existing bus or overhead line Exceeds dielectric type test requirements for IEEE C57.13 and IEC VT and Power Supply Composite insulator for safety 0.2% energy measurement accuracy Wireless link to computer base station 8 kv - 36 kv available now Current sensor 25 kv, 600 A, 30 pounds 2008 FieldMetrics Inc. (FMI) nd Avenue, Seminole, FL Slide 7 Phone: (727) Fax: (727)

8 The Fiber MetPod HV conductor optical modem Voltage and Current sensors can support measurements up to 80th harmonic (5 khz). CT dynamic range can be extended to >20 ka peak Standard digital protocol for data stream Minimal cost impact on system insulator grounded structure Optical fiber A/D converters Base station Optical fiber optical modem D/A converters Analog O/P s Slide 8

9 The MetPod Current sensor Optical fiber VT and Power Supply 13.8 kv Fiber MetPod in metal-clad switchgear 25 kv MetPod outdoor 2008 FieldMetrics Inc. (FMI) nd Avenue, Seminole, FL Slide 9 Phone: (727) Fax: (727)

10 antenna MetPod Lite Rated voltage from 4 kv thru 36 kv Hook-shaped current sensor slips over live line, measures <1A to >1 ka 0.2% metering accuracy, 5 khz BW Powered off energized line Weight <15 pounds at 25 kv Live line installation spanning 3-5 feet to neutral (typical for 25 kv) Exceeds dielectric type test requirements for IEEE C57.13 and IEC Temperature range -50 to +85 C Up to 2W RF radio supported Electronics Current sensor VT and Power Supply 1.25 slot Slide 10

11 MetPod Lite Slide 11

12 MetPod, Fiber MetPod, MetPod Lite Accuracy tests per ANSI C S Accuracy Meter Specification Allowed error Measured Active Energy at 0.1% rated I NA 0.14% Active Energy at 3% rated I 0.40% -0.02% Active Energy at 5% rated I 0.20% -0.13% Active Energy at 10% rated I 0.20% 0.01% Active Energy at 30% rated I 0.20% 0.00% Active Energy at 50% rated I 0.20% -0.01% Active Energy at PF= % -0.02% Active Energy at 50 C, PF=1 0.30% 0.00% Active Energy at -5 C, PF=1 0.50% -0.04% Active Energy at 50 C, PF= % -0.22% Active Energy at -5 C, PF= % -0.15% Active Energy 98% rated freq. 0.10% -0.07% Active Energy 102% of rated freq. 0.10% -0.05% Active Energy 90% of rated V 0.10% -0.03% Active Energy 110% of rated V 0.10% 0.02% Slide 12

13 MetPod Availability MetPod available now for 8 kv - 36 kv Fiber MetPod available now for 8 kv - 36 kv MetPod Lite available now for 4 kv - 36 kv Higher voltage MetPods depending on requests Pricing- Competitive with conventional solutions in 1-9 pc quantities MetPod Lite lower cost than MetPod Very attractive MetPod Lite pricing in large quantities (>10,000 units) Slide 13

14 Applications Energy theft Feeder monitoring AMR, AMI, SCADA Slide 14

15 MetPod Applications Feeder monitoring (can communicate with SCADA system) Power quality, Harmonic pollution Fault location to improve recovery time Identifying system losses Load balancing Harmonic load monitoring within privately owned distribution equipment Identify incipient faults in equipment, incorrect wiring, design improvements thru harmonic signature analysis Power theft (stand-alone data collection or AMI tie-in) Monitoring MV line to identify power theft locations Permanent assets or liquid capital (temporary installations) Slide 15

16 MetPods meet Application Needs Feeder monitoring (communicates with SCADA system) High bandwidth for harmonics (up to 80th) High accuracy to identify small losses Real-time updates of instrumentation values MetPod CT can measure <1 A to >20 ka in one device Harmonic load monitoring within privately owned distribution equipment Fiber MetPod provides real-time waveforms at high bandwidth MetPod is compatible with metal-clad installation Power theft (stand-alone data collection or AMI tie-in) MetPod provides metering accuracy at 0.1% of rated line current MetPod Lite cost is low enough to justify system-wide deployment FMI is actively working with AMI vendors Slide 16

17 MetPod Short Circuit Current- 18 ka rms MetPod CT Bushing CT Slide 17

18 FieldMetrics Development projects MetPod interfaced with other vendor equipment Modular VT and sensor platform for transmission Slide 18

19 MetPod interfaced with other vendor equipment MetPod provides sufficient power to interface with: AMI meters (Elster, Sensus) Fault recorders, power quality Phasor measurement units Security equipment Hazardous materials sensors RF transponders Power supply Pole-mounted NEMA enclosure D/A converters Power conditioning DC Power AND Digital real-time Waveforms (V, I) Slide 19

20 MetPod-powered measurement equipment 5A/120V 3φ Meter Socket Powered RTU with V, I Transducer signals MetPod with Aux Power Supply and digital fiber MetPod Lite with output Neutral CT Slide 20

21 Feeder Meter for underground cable installations Dead-tank MetPod MetPod core technology encased in grounded metal enclosure for safety Standard URD cables and termination hardware Hard connect to high voltage for best accuracy Utilize existing bus ports or splices Short flexible cable run allows positioning of MetPod to minimize mechanical loading Hinged current sensor on umbilical clamps around current carrying elbow/cable Dead-tank MetPod electronics identical to overhead feeder meter electronics Provides accurate V, I measurements, powered off HV conductor potential Pricing comparable to MetPod classic To Bus CT Standard Bushing Well + Adapter Grounded Enclosure Standard Elbow Connectors URD Cable Umbilical Dead Tank MetPod Slide 21

22 MetPod for transmission MetPod prototype has been type tested up to 138 kv Single insulator housing will be used for production units Retains accuracy and weight savings demonstrated at MV Design scales to 765 kv Slide 22

23 Modular Low cost Sensor Platform Modular VT segment Low cost, low weight modular design Integrated VT, power supply Powered platform for other uses Design scales from 13.8 kv thru 765 kv 0.3% metering accuracy for VT Ongoing project, field trials sought for kv device Slide 23

24 Modular Low cost Sensor Platform Weight in pounds Conventional MetPod Voltage class in kv Optical VT prototype conv wt. fm wt. 2- Module stack Slide 24

25 Vision- Power Platforms Substation Wireless service area Satellite modem Wireless service area (highway corridor) Sensor platform Substation Power-on-tower: Broadband wireless services for customers in vicinity of line Cellular hub Sensor suite Utility O&M communications Security AMR, AMI SCADA communications Wireless service area Broadband repeater, PMP server and PowerPod Slide 25