L&S Electric, Inc. <ul><li>In business since 1930 </li></ul><ul><li>Clients include:  </li></ul><ul><ul><li>Electric power...
Locations Duluth Menominee Sturtevant Minneapolis Appleton Wisconsin   Rapids Montreal Wausau (3) Gering, NE
L&S Facilities <ul><li>Schofield, WI </li></ul><ul><li>Corporate headquarters </li></ul><ul><li>Large motor & generator re...
L&S Facilities <ul><li>Minneapolis, MN </li></ul><ul><li>Serving customers in MN, Iowa, North and South Dakota </li></ul><...
Quality Management <ul><li>All operations certified to ISO 9001-2000 </li></ul><ul><li>Dedicated Quality Assurance Manager...
L&S Electric Offers: <ul><li>Rotating Equipment Repair Service </li></ul><ul><li>Power Service </li></ul><ul><li>Reliabili...
Motor and Generator Repair <ul><li>Largest and most complete facilities in the upper Midwest </li></ul><ul><li>150 dedicat...
Suppliers <ul><li>Marathon Electric </li></ul><ul><li>Reliance Electric </li></ul><ul><li>Yaskawa/MagneTek </li></ul><ul><...
Reliability Services <ul><li>Predictive  maintenance programs </li></ul><ul><li>Laser vibration analysis </li></ul><ul><li...
Hydro Automation Solutions <ul><li>Integrated solutions for generator, governor, excitation, switchgear, and protection sy...
Power Services <ul><li>Switchgear & Circuit Breaker Services </li></ul><ul><li>Transformer Repair </li></ul><ul><li>Relay ...
Substation Commissioning  <ul><li>Apparatus Testing </li></ul><ul><ul><li>Breakers </li></ul></ul><ul><ul><ul><li>SF6, Vac...
Breaker Commissioning <ul><li>Insulation resistance </li></ul><ul><li>Contact resistance </li></ul><ul><li>Timing </li></u...
Transformer Commissioning <ul><li>Complete dress out </li></ul><ul><li>Turns ratio </li></ul><ul><li>Insulation resistance...
Relay Commissioning <ul><li>Setting installation </li></ul><ul><li>Fault interpretation </li></ul><ul><li>Protective eleme...
Switch Commissioning <ul><li>MOD’s </li></ul><ul><li>EOD’s </li></ul><ul><li>Insulation resistance </li></ul><ul><li>Conta...
CT’s, PT’s, CVT’s, CCVT’s, etc. <ul><li>Insulation resistance </li></ul><ul><li>Ratio </li></ul><ul><li>Polarity </li></ul...
Thermographic Surveys... <ul><li>Long wave system, which is less susceptible to reflections, allows accurate temperature m...
Formal Thermographic Report <ul><li>Indicates each piece of equipment that has been scanned </li></ul><ul><li>Summarizes a...
Controls & Functional Tests <ul><li>Injection of AC circuits </li></ul><ul><li>Verification / operation of DC circuits </l...
Maintenance & Repair Services <ul><li>Transformers </li></ul><ul><ul><li>Bushing Repair/Replacement, Oil Analysis, Tap Cha...
Cable Commissioning <ul><li>Insulation resistance </li></ul><ul><li>Shield continuity </li></ul><ul><li>DC hipot </li></ul...
VLF / Tan Delta <ul><li>Great Baseline Test! </li></ul><ul><li>IEEE 400.2 Standard </li></ul><ul><li>Maximum voltage of 44...
Partial Discharge Testing <ul><li>IEEE 400.3 Standard </li></ul><ul><li>Best Used for NEW Installations </li></ul><ul><ul>...
And More <ul><li>Ground grid testing </li></ul><ul><li>DC Systems </li></ul><ul><li>Ultrasound </li></ul><ul><li>Radio Int...
L&S Electric: we continually work hard to keep you running!
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Ls commissioning

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Ls commissioning

  1. 1. L&S Electric, Inc. <ul><li>In business since 1930 </li></ul><ul><li>Clients include: </li></ul><ul><ul><li>Electric power generation </li></ul></ul><ul><ul><li>Pulp & paper production </li></ul></ul><ul><ul><li>Paper converting </li></ul></ul><ul><ul><li>Mining, agriculture, & food processing </li></ul></ul><ul><ul><li>Rail & water transportation </li></ul></ul><ul><ul><li>Iron foundries </li></ul></ul><ul><ul><li>Industrial manufacturing </li></ul></ul><ul><ul><li>Original equipment manufacturers </li></ul></ul>
  2. 2. Locations Duluth Menominee Sturtevant Minneapolis Appleton Wisconsin Rapids Montreal Wausau (3) Gering, NE
  3. 3. L&S Facilities <ul><li>Schofield, WI </li></ul><ul><li>Corporate headquarters </li></ul><ul><li>Large motor & generator repair </li></ul><ul><li>Locomotive equipment repair </li></ul><ul><li>Sturtevant, WI </li></ul><ul><li>Serving customers in Wisconsin, Illinois, and Indiana </li></ul><ul><li>Motor repair </li></ul><ul><li>Reliability services </li></ul><ul><li>Rothschild, WI </li></ul><ul><li>Motor repair </li></ul><ul><li>Central distribution warehouse </li></ul><ul><li>Reliability & Power Services </li></ul><ul><li>Appleton, WI </li></ul><ul><li>Serving customers in eastern WI </li></ul><ul><li>Motor repair </li></ul><ul><li>Power & Reliability Services </li></ul>
  4. 4. L&S Facilities <ul><li>Minneapolis, MN </li></ul><ul><li>Serving customers in MN, Iowa, North and South Dakota </li></ul><ul><li>Motor repair </li></ul><ul><li>Power & Reliability Services </li></ul><ul><li>Menominee, MI </li></ul><ul><li>Serving customers in northeast Wisconsin & eastern Upper Michigan </li></ul><ul><li>Motor repair through 3000 HP </li></ul><ul><li>New motor inventory through 200 HP </li></ul><ul><li>Duluth, MN </li></ul><ul><li>Serving customers in NW Wisconsin & Northern Minnesota </li></ul><ul><li>Motor inventory through 200 HP </li></ul><ul><li>Power & Reliability Services </li></ul><ul><li>Engineering </li></ul><ul><li>Engineered Systems </li></ul><ul><li>Hydroelectric automation </li></ul><ul><li>Steam Turbine automation </li></ul><ul><li>Panel manufacturing facility </li></ul>
  5. 5. Quality Management <ul><li>All operations certified to ISO 9001-2000 </li></ul><ul><li>Dedicated Quality Assurance Manager </li></ul><ul><li>Standards consistent at all facilities </li></ul><ul><li>Documented work procedures & calibration program </li></ul>
  6. 6. L&S Electric Offers: <ul><li>Rotating Equipment Repair Service </li></ul><ul><li>Power Service </li></ul><ul><li>Reliability Service </li></ul><ul><li>Engineering Service </li></ul><ul><li>Electric Motors, Drives, Control, and related products </li></ul>
  7. 7. Motor and Generator Repair <ul><li>Largest and most complete facilities in the upper Midwest </li></ul><ul><li>150 dedicated motor repair technicians </li></ul><ul><li>AC/DC, synchronous, and wound rotor </li></ul><ul><li>Field repair team </li></ul><ul><li>Rail equipment repair </li></ul><ul><li>Pump and gearbox repair </li></ul>
  8. 8. Suppliers <ul><li>Marathon Electric </li></ul><ul><li>Reliance Electric </li></ul><ul><li>Yaskawa/MagneTek </li></ul><ul><li>Emerson </li></ul><ul><li>Teco/Westinghouse </li></ul><ul><li>Cutler-Hammer </li></ul><ul><li>Lafert </li></ul><ul><li>Grove Gear </li></ul><ul><li>Danaher </li></ul><ul><li>Overly Hautz </li></ul><ul><li>InPro Seal </li></ul><ul><li>GE Motors </li></ul>
  9. 9. Reliability Services <ul><li>Predictive maintenance programs </li></ul><ul><li>Laser vibration analysis </li></ul><ul><li>Laser alignment </li></ul><ul><li>Dynamic balancing </li></ul><ul><li>Roll profile analysis </li></ul><ul><li>Equipment management </li></ul><ul><li>Motor rotor diagnosis </li></ul><ul><li>Real time analysis </li></ul>
  10. 10. Hydro Automation Solutions <ul><li>Integrated solutions for generator, governor, excitation, switchgear, and protection systems </li></ul><ul><li>Worldwide reputation with projects in North America, South America, Asia, and the Pacific Rim </li></ul>
  11. 11. Power Services <ul><li>Switchgear & Circuit Breaker Services </li></ul><ul><li>Transformer Repair </li></ul><ul><li>Relay Calibration & Repair </li></ul><ul><li>AC/DC Drive Repair </li></ul><ul><li>Electrical winding Analysis </li></ul><ul><li>Thermographic Surveys </li></ul><ul><li>Ultrasonic Testing </li></ul><ul><li>Radio Interference Testing </li></ul><ul><li>High Voltage Cable Testing </li></ul><ul><li>Substation Commissioning </li></ul><ul><li>Personnel: </li></ul><ul><ul><li>23 Technicians - 5 @ 30+ years </li></ul></ul><ul><ul><li>11 @ 10+ years - 7 w/ BSEE & 5 w/ 2yr Degree </li></ul></ul>
  12. 12. Substation Commissioning <ul><li>Apparatus Testing </li></ul><ul><ul><li>Breakers </li></ul></ul><ul><ul><ul><li>SF6, Vacuum, OCB, Air Breakers </li></ul></ul></ul><ul><ul><li>Transformers </li></ul></ul><ul><ul><ul><li>GSU, Large Power, Station Service, etc. </li></ul></ul></ul><ul><ul><li>Relays </li></ul></ul><ul><ul><ul><li>Microprocessor, Solid State, EM </li></ul></ul></ul><ul><ul><li>Manually and Electrically Operated Switches </li></ul></ul><ul><ul><li>Cables </li></ul></ul><ul><ul><li>CT’s, PT’s, CVT’s, CCVT’s, SA’s </li></ul></ul><ul><ul><li>All Apparatus Tested! </li></ul></ul><ul><li>Thermography, Ultrasound, Radio Interference </li></ul><ul><li>Controls </li></ul><ul><li>Functional Testing </li></ul><ul><li>Communication Testing </li></ul>
  13. 13. Breaker Commissioning <ul><li>Insulation resistance </li></ul><ul><li>Contact resistance </li></ul><ul><li>Timing </li></ul><ul><li>Dielectric withstand tests </li></ul><ul><li>Power factor </li></ul><ul><li>Minimum pick up tests for coils </li></ul><ul><li>SF6 gas work </li></ul><ul><li>Proper operation of auxiliary devices </li></ul><ul><li>Many other tests performed </li></ul><ul><li>15 Lead Breaker Engineers </li></ul>
  14. 14. Transformer Commissioning <ul><li>Complete dress out </li></ul><ul><li>Turns ratio </li></ul><ul><li>Insulation resistance </li></ul><ul><li>Winding resistance </li></ul><ul><li>Excitation </li></ul><ul><li>Power factor </li></ul><ul><li>SFRA </li></ul><ul><li>Tap changer controls and set-up </li></ul><ul><li>All gauges and peripheral devices tested </li></ul><ul><li>Oil Analysis </li></ul><ul><li>Many other tests performed </li></ul><ul><li>11 Lead Transformer Engineers </li></ul>
  15. 15. Relay Commissioning <ul><li>Setting installation </li></ul><ul><li>Fault interpretation </li></ul><ul><li>Protective element calibration </li></ul><ul><li>Automated test plan set up </li></ul><ul><li>Logic strings tested </li></ul><ul><li>Input / Output operation </li></ul><ul><li>Satellite relay testing on multiple lines </li></ul><ul><li>Primary injection for Bus Differential </li></ul><ul><li>All protection schemes – differential, breaker failure, POTT, block fast trip, etc. </li></ul><ul><li>10 Lead Relay Engineers </li></ul>
  16. 16. Switch Commissioning <ul><li>MOD’s </li></ul><ul><li>EOD’s </li></ul><ul><li>Insulation resistance </li></ul><ul><li>Contact resistance </li></ul><ul><li>Power factor </li></ul><ul><li>Dielectric withstand </li></ul><ul><li>Alignment </li></ul><ul><li>Cam adjustment </li></ul><ul><li>Timing </li></ul><ul><li>Many other tests performed </li></ul><ul><li>> 15 Lead Switch Engineers </li></ul>
  17. 17. CT’s, PT’s, CVT’s, CCVT’s, etc. <ul><li>Insulation resistance </li></ul><ul><li>Ratio </li></ul><ul><li>Polarity </li></ul><ul><li>Saturation </li></ul><ul><li>Burden </li></ul><ul><li>Power factor </li></ul><ul><li>Dielectric withstand </li></ul><ul><li>Excitation </li></ul><ul><li>Single point ground </li></ul>
  18. 18. Thermographic Surveys... <ul><li>Long wave system, which is less susceptible to reflections, allows accurate temperature measurement in adverse environments. </li></ul><ul><li>Measurements from -10°C to +1500°C with ±0.1°C accuracy. </li></ul><ul><li>Scanning distances up to 60 feet. </li></ul><ul><li>Immediate preliminary analysis. </li></ul><ul><li>Details potentially hazardous problems. </li></ul>State-of-the-art Equipment On-Site Report
  19. 19. Formal Thermographic Report <ul><li>Indicates each piece of equipment that has been scanned </li></ul><ul><li>Summarizes all problems found & the recommends solutions </li></ul><ul><li>Identifies each problem by equipment name & location, provides a detailed description & states a recommended action for repair </li></ul>
  20. 20. Controls & Functional Tests <ul><li>Injection of AC circuits </li></ul><ul><li>Verification / operation of DC circuits </li></ul><ul><li>Testing / operation of all protection schemes </li></ul><ul><li>End-to-End line relay testing via satellite </li></ul><ul><ul><li>Multiple Terminal Lines </li></ul></ul><ul><li>Verification / operation of control </li></ul><ul><li>Verification of RTU, SCADA, DCS points </li></ul>
  21. 21. Maintenance & Repair Services <ul><li>Transformers </li></ul><ul><ul><li>Bushing Repair/Replacement, Oil Analysis, Tap Changer Inspection & Repair, Replacement Parts & Services </li></ul></ul><ul><li>Breakers, Switchgear & Disconnects </li></ul><ul><ul><li>In-Shop & On-Site Rebuild and Retrofits, New and Obsolete part Support, Roll-In Replacements, Low through High Voltage, OCB’s, Vacuum, Air, SF6 </li></ul></ul><ul><li>Relays </li></ul><ul><ul><li>Retrofit and Upgrade to New Microprocessor Relays </li></ul></ul><ul><ul><li> - Generation, Transmission, Distribution, Motors - </li></ul></ul>
  22. 22. Cable Commissioning <ul><li>Insulation resistance </li></ul><ul><li>Shield continuity </li></ul><ul><li>DC hipot </li></ul><ul><li>AC hipot </li></ul><ul><li>Tan-Delta </li></ul><ul><li>VLF </li></ul><ul><li>Partial Discharge </li></ul><ul><li>3 Lead Cable Engineers </li></ul>
  23. 23. VLF / Tan Delta <ul><li>Great Baseline Test! </li></ul><ul><li>IEEE 400.2 Standard </li></ul><ul><li>Maximum voltage of 44k Vrms </li></ul><ul><li>True sine wave low frequency output </li></ul><ul><li>Capable of testing 1microfarad at .01Hz and 60 kV peak </li></ul><ul><li>We’ve done over 40,000 feet </li></ul>
  24. 24. Partial Discharge Testing <ul><li>IEEE 400.3 Standard </li></ul><ul><li>Best Used for NEW Installations </li></ul><ul><ul><li>Workmanship defects </li></ul></ul><ul><li>Signal attenuation is the limitation for all PD Testing. Attenuation occurs >5k feet, splices, joints, etc. increase attenuation </li></ul><ul><ul><li>Millivolt Signal </li></ul></ul><ul><ul><li>No Power Limitation!! </li></ul></ul><ul><li>0 PD is the Limit </li></ul><ul><ul><li>6pC or 6000 the test specimen fails </li></ul></ul><ul><ul><li>Test Technician needs to differentiate between noise and signal </li></ul></ul><ul><li>Does Not Work for Tape Shielded Cable </li></ul>
  25. 25. And More <ul><li>Ground grid testing </li></ul><ul><li>DC Systems </li></ul><ul><li>Ultrasound </li></ul><ul><li>Radio Interference </li></ul><ul><li>Voltage Regulators </li></ul><ul><li>Optical Metering Units </li></ul><ul><li>And More! </li></ul>
  26. 26. L&S Electric: we continually work hard to keep you running!
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