Erik Backström, High Voltage breakers, After Sales & Service High voltage SF 6 live tank circuit breakers After Sales & Service Training course

Transcription

1 Erik Backström, High Voltage breakers, After Sales & Service High voltage SF 6 live tank circuit breakers After Sales & Service Training course description HPL B2/B4 with BLG1002A DCB Level A & B

2 Training course description HPL B2/B4 with BLG1002A (DCB), Level A & B Duration 3 days Maximum participants 6 Price This training shall enable the trainee to Included subjects Tools/equipment used Documentation used and distributed Pre-requisitions Conditions for confirmation of participation: :-/ attendee - Know the HPL B2/B4 DCB circuit breaker range. -For the above stated breaker type: - Understand the design, operation and function and adhering components. - Perform installation & pre-commissioning. - Understand the lifespan of a circuit breaker - Know about and how to perform the required periodic, preventive maintenance and condition assessments. - Safety - Design, function and mode of operation. - Description of circuit breaker lifespan. - Training in installation & pre-commissioning - Training in periodic and preventive maintenance - Practical exercises Focus of the training is hands-on exercises - Standard toolbox - Gas filling equipment, Gas reclaiming system, Gas analyzing equipment, Gas leakage detector - Breaker analyzer system SA10 - Laptop computer - Product documentation - Leaflets - Confirmation of participation - Knowledge in English, reading and writing - Electromechanical education - Basic computer use. - Written examination - Assessment of factory supervisor February 6, 2013 Slide 2

3 HPL B2/B4 with BLG1002A (DCB) Scope of training program, competence level A Steps Installation & pre-commissioning Competence level A Pole beam and support Assembly Fitting the circuit breaker pole and protective tubes. Installation of operating mechanism Final assembly of the circuit breaker pole. Fitting of rod system Assembly of gas monitoring system Electrical connections Pressurizing of circuit-breaker poles Inspection of bolt joints Assembling the indicator sign and cover Inspection prior to commissioning Pre-commissioning check list Circuit breaker Periodic maintenance Competence level A External cleanliness Heating element function Gas pressure Valves and draining holes Lubrication Note!!! Safety and preparations are always included February 6, 2013 Slide 3

4 HPL B2/B4 with BLG1002A (DCB) Scope of training program, competence level B Preventive maintenance and condition assessment Preventive maintenence and condition assessment Circuit breaker Operating mechanism Rating plates Operation counter SF 6 gas Porcelain insulators Composite insulators External cleanliness Gas pressure Valves and draining holes Bolts and nuts Heating element function Oil leakages from damper Note serial number s Note the number of operations Gas level (filling ifnecessary) Dew point, for normal gas pressure in the circuit breaker. Cleanliness Bolts and nuts Damages Function times Availability Motor current Latch device Coils Limit switch Opening time Closing time Close-Open time Deviations between phases Auxiliary switch Travel curve Contact damping Rod system Control safety Anti-pumping relay Motor current Visual inspection of settings Function control Coil resistance and current Main circuit Mechanism -Resistance measurement Resistance bridge, using a test current of ADC Reference hole in outer lever and mechanism housing. Heating element Central control cabinet (if applicable) Note!!! Safety and preparations are always included Resistance measurement Resistance measurement February 6, 2013 Slide 4

5 HPL B2/B4 with BLG1002A (DCB) Scope of training program, competence level B Preventive maintenance and condition assessment Preventive maintenance and condition assessment Thermostat (if applicable) Terminal blocks Adjusted value Bolts and clamps SM 800 Corrosion Cabling Heating element Ventilation Electrical functions Protective motor switch Seals/SF6 gas Blocking relays Corrosion Signal for voltage drop Density monitoring Relays Operating mechanism contacts pullrod system Corrosion Lubrication Cleanliness Contact operation Wear Corrosion Settings End positions Lubrication Tightening torque Operation Latches Worm gear All bolt joints Operation Operating time measurement Locking contact position resistance Locking function Check the contact position by making a load test. Check the earthing switch resistance. Note!!! Safety and preparations are always included February 6, 2013 Slide 5

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