MIT and S1 Series - The Industrial and Utility Insulation Resistance Tester Range
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MIT and S1 Series - The Industrial and Utility Insulation Resistance Tester Range
- 1. 1 MIT and S1 Series 5kV and 10kV DC Insulation Resistance Testers Dover Power Paul Swinerd
- 2. 2 Presentation Agenda Megger MIT 5kV and 10 kV series summary New 5kV and 10 kV S1-Series introduction – New product launch! Market segmentation and differentiation MIT range and S1-Series customer benefits
- 3. 3 New S1 IRT Family Industrial range of IRTs • MIT515, MIT525, MIT1025 – Industrial range • Introduced in April 2012 replacing MIT510/2, MIT520/2, MIT1020/2 Utility/service company range of IRTs • Old S1: – S1-552/2, S1-1052/2 – S1-554/2, S1-1054/2 (4 mA noise rejection) – Will still be sold for 6 months following new S1 launch • New S1: New product launch today! – S1-568 (5 kV, 6 mA SC current, 8 mA noise rejection) – S1-1068 (10 kV, 6 mA SC current, 8 mA noise rejection) MIT525 S1-568
- 4. 4 MIT515 MIT525 MIT1025 range summary MIT Megger Insulation Tester The Industrial Range
- 5. 5 New S1-Series Introduction S1 - Series Descendant of Series 1 The Utility premium range. Higher noise immunity Faster capacitance charge Remote operation High altitude safety Bluetooth
- 6. 6 TRANSPORT MILITARY INDUSTRIAL HEAVY INDUSTRIAL EXAMPLE LOCATIONS RAILWAY ARMY PAPER MILLS STEEL WORKS SHIPS NAVY MANUFACTURING >5MVA RAW MATERIAL CONV >5MVA AIRPORTS AIRFORCE MEDIUM ENGINEERING HEAVY ENGINEERING PORTS MILITARY AEROSPACE NEWS PRESS LARGE FACTORIES TRAM SYSTEMS PANEL BUILDERS GLASS / CERAMICS UNDERGROUND AUTOMOTIVE ALUMIMIUM SMELTING CIVAL AEROSPACE OIL REFINING SHIP BUILDING LV + HV LV + HV LV + HV LV + HV INITIAL CONTACT IF HV MOTOR IF HV MOTOR IF HV MOTOR IF HV MOTOR RECOMMENDATION OR SUBTATION = OR SUBTATION = OR SUBTATION = OR SUBTATION = MIT515 MIT515 MIT515 MIT515 MIT525 MIT525 MIT525 MIT525 MIT1025 MIT1025 MIT1025 MIT1025 OTHER OPTION S1-568 S1-568 S1-1068 S1-1068 For Service Companies For Service Companies Remote operation for OEM? Remote operation for OEM? MIT Industrial range 5kV and 10 kV S1 Series - Utility 5kV and 10 kV Market segmentation and differentiation
- 7. 7 LARGE SITES POWER GENERATION POWER DISTRIBUTION POWER GENERATION POWER TRANSMISSION SITE AND BUILDINGS WIND FARM SUBSTATION POWER STATIONS SWITCH YARDS UNIVERSITIES HV 11 -132 KV HYDRO 132 - 800 KV TRANSMISSION TRADE PARKS REMOTE TRANSFORMERS HV 30 - 800 KV OVERHEAD CABLES RETAIL PARKS PHARMACUTICALS HOSPITALS LOCAL AUTHORITIES BANKS LV + HV LV + HV LV + HV LV + HV HV IF HV MOTOR MIT515 S1-568 S1-568 S1-568 OR SUBTATION = MIT525 S1-1068 S1-1068 S1-1068 MIT515 MIT1025 MIT525 MIT1025 S1-568 S1-568 MIT515 S1-1068 S1-1068 MIT525 For Service Companies If there is excessive MIT1025 inverter noise If price is problem S1 Series - Utility 5kV and 10 kV MIT Industrial range 5kV and 10 kV Market segmentation and differentiation
- 8. 8 Megger 5 kV and 10 kV immunity levels Old S1 New S1 New S1 ? New MIT Old MIT 0 1 2 3 4 5 6 7 8 9 0 75 150 220 275 350 400 475 550 625 700 765 850 925 1000 Environment kV Imunity(mA) Megger 5 kV and 10 kV immunity levels Old S1 New S1 New S1 ? New MIT Old MIT 0 1 2 3 4 5 6 7 8 9 0 75 150 220 275 350 400 475 550 625 700 765 850 925 1000 Environment kV Imunity(mA) Fully tested in 765 kV S1-568 S11068 Fully tested in 765 kV S1-568 S11068 Fully tested in 765 kV S1-568 S11068 MIT515 MIT525 MIT1025MIT515 MIT525 MIT1025 Market segmentation and differentiation Noise immunity is important differentiator But not the only one…
- 9. 9 Top 8 instrument requirements 1. Safety 2. Easy to use 3. The right functionality 4. Good noise Immunity 5. Good accuracy 6. High output current 7. High measurement range 8. Tough and reliable How do they relate to these common customer issues? 1. Safety 2. Ease of use 3. Operational reliability 4. Measurement reliability 5. Measurement functionality
- 10. 10 5kV and 10kV insulation tester users - Common issues
- 11. 11 1. Safety – a key issue – High energy environments? – CATIV rating provides confidence – CATIV 600V immune to 8kV high energy transients – New S1-Series CATIV 600V to 3000m altitude – CAT rating is on ALL terminals – Protected to 1000V between ALL terminals Common user issues
- 12. 12 1. Safety – a key issue – High energy environments? – IEC 61010-031 :2008 important safety enhancements for test leads – New section “Prevention of HAZARD from arc flash and short-circuits” added Common user issues
- 13. 13 1. Safety – a key issue – High energy environments? – Dual case design – Yes… TWO cases – Inner case fire retardant – Outer case ultra tough – Lid mounted leadset bag prevents lead damage – Isolated USB-to-PC interface up to 10 kV Common user issues
- 14. 14 1. Safety – a key issue – High energy environments? – Concern over receiving shock from instrument – The danger is actually the after effects Large finger guards to keep fingers back from live parts Side Pivot guards maintain creepage paths Pivot guard maintains clearance Large finger guards to keep fingers back from live parts Side Pivot guards maintain creepage paths Pivot guard maintains clearance Finns increase surface creepage distance Finns Finns increase surface creepage distance Finns Common user issues
- 15. 15 1. Safety – a key issue – High energy environments? – Concern over receiving shock from instrument – Safe discharge of long cable capacitance – Clips are not removable – hard wired – Unique locking terminals Common user issues
- 16. 16 2. Ease of use – Difficult to carry and store – 24% reduction in size over predecessors – 35% reduction in weight over predecessors – Now only 4.5kg Common user issues
- 17. 17 2. Ease of use – Difficult to carry and store – Takes too long to perform tests – Difficulty operating – Rotary switch operation – No hidden modes of operation – No 2nd function keys – Quick start guide on all Common user issues
- 18. 18 2. Ease of use – Difficult to carry and store – Takes too long to perform tests – Difficulty operating – Testing with non preset voltage? – E.g. 2200V ? – New Lock Voltage Range – Select required test voltage immediately at switch on. – Set voltage up in setting range, then select on the locked voltage range – S1 adds remote operation via USB OFF 500V 1kV 2.5kV 5kV 10kV V V TΩ USB Common user issues
- 19. 19 2. Ease of use – Difficult to carry and store – Takes too long to perform tests – Difficulty operating – Test result storage difficult – Test results date and time stamped – D/L stored results or real-time download – Temperature value stored – S1 stores humidity value – S1 downloads via bluetooth Common user issues
- 20. 20 3. Operational reliability – Battery found flat – previous user didn’t charge – Can operate from line supply – Charges from reported dead in TWO hours – Half hour charge provides a full hour testing – Full 6 hours continuous testing from full charge Common user issues
- 21. 21 3. Operational reliability – Battery found flat – pervious user didn’t charge – Short battery service life – New Lithium ion battery – Safety accredited Common user issues
- 22. 22 3. Operational reliability – Battery found flat – pervious user didn’t charge – Short battery service life – Battery replacement difficult – Customer replaceable battery – No calibration required – Access without disturbing calibration seals Calibration seals Battery cover Calibration seals Battery cover Common user issues
- 23. 23 3. Operational reliability – Battery found flat – pervious user didn’t charge – Short battery service life – Battery replacement difficult – Difficult to read display in low light Common user issues
- 24. 24 3. Operational reliability – Battery found flat – pervious user didn’t charge – Short battery service life – Battery replacement difficult – Difficult to read display in low light – Instruments get damaged (Not Megger obviously…☺) – Toughness not compromised with fire retardant materials – Quality components – Quality build – Built to last….. It’s a Megger! IP65 Common user issues
- 25. 25 4. Measurement reliability – Poor measurement repeatability – Is the instrument accurate enough? – Typical measured values in sub-station / switch yard 100GΩ to 500GΩ – Megger provides accuracy where it matter most! – 5% all the way up to at least 1TΩ Common user issues
- 26. 26 4. Measurement reliability – Poor measurement repeatability – Is the guard terminal operating correctly? – Megger is still the only manufacturer to specify the performance of the guard terminal Common user issues
- 27. 27 4. Measurement reliability • Poor measurement repeatability • Variation of measurement during test – Likely to be caused by noise pick up – 2mA noise immunity is a good instrument – Megger MIT range is 3mA – Ideal for any industrial environment – In-fact up to ~220 kV locations – S1-568 and S1-1068 8mA with variable time constant – Ideal for Utilities and Service companies – Stable readings anywhere Common user issues
- 28. 28 Tested performance at 765 kV - result below • 8 mA noise rejection • Four selectable filter settings: 10 s, 30 s, 100 s, 200 s Seoni 765 kV substation No filter gives -ve current readings Common user issues
- 29. 29 4. Measurement reliability – Poor measurement repeatability – Variation of measurement during test – Problems maintaining selected test voltage – Is the output voltage right? – Is there enough power? – High loads could mean low voltage – MIT 3mA into short circuit – S1 Series 6mA into short circuit – MIT and S1 has Max power regulation - ensures maximum power transfer 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 0 2 4 6 M ohms Outputvoltage 500V 1kV 2.5kV 10kV 5kV 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 0 2 4 6 M ohms Outputvoltage 500V 1kV 2.5kV 10kV 5kV Common user issues
- 30. 30 4. Measurement reliability – Poor measurement repeatability – Variation of measurement during test – Problems maintaining selected test voltage – Instrument only says infinity? – Inability of instrument to take measurement – MIT 5kV to 10TΩ, and 10kV to 20TΩ – S1 5kV to 15TΩ, and 10kV to 35TΩ – Megger also keeps focus on accuracy Common user issues
- 31. 31 5. Measurement functionality – Can’t test rotating machinery to IEEE 95 – Ramp test now included on MIT and S1 – Meets requirements of IEEE 95 – Default ramp of 1000V per minute – User adjustable – View plotted current curve via Power DB Lite Common user issues
- 32. 32 5. Measurement functionality – Can’t test rotating machinery to IEEE 95 – Can’t test HV rotating machinery to IEEE 43-2000 – Up to a maximum 10kV required – MIT1025, S1-1068 are 10kV Common user issues
- 33. 33 5. Measurement functionality – Can’t test rotating machinery to IEEE 95 – Can’t test HV rotating machinery to IEEE 43-2000 – Time taken to test long cables – MIT 3mA charge current – S1 6mA charge current – Max. power regulation helps here too – MIT charges capacitance as fast as many competitor 5mA instruments – S1 is fastest on the market 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 0 2 4 6 M ohms Outputvoltage 500V 1kV 2.5kV 10kV 5kV 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 0 2 4 6 M ohms Outputvoltage 500V 1kV 2.5kV 10kV 5kV Common user issues
- 34. 34 5. Measurement functionality – Can’t test rotating machinery to IEEE 95 – Can’t test HV rotating machinery to IEEE 43-2000 – Time taken to test long cables – Need a separate volt meter – MIT and S1 now has user selectable voltage range – Measures AC and DC with 3% ±3V accuracy Common user issues
- 35. 35 5. Measurement functionality – Can’t test rotating machinery to IEEE 95 – Can’t test HV rotating machinery to IEEE 43-2000 – Time taken to test long cables – Need a separate volt meter – Cannot detect induced voltages – Cannot verify generated supply frequency – Measures frequency (Hz) of applied AC voltage – Verify generated frequency – Detect presence of induced voltages Common user issues
- 36. 36 S1-Series customers Sell current S1-Series to • Utilities • Large OEMs – ABB – Alstrom – Areva – Siemens – GE • Large national/regional service companies • Regularly specified into utilities, service companies
- 37. 37 Thank you