Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Data sheets of Screen Grid Power Supply (SGPS) Sr. 1. 2. Description Application Nature of Load 3. Essential feature 4. 5. Input Line Voltage Input Protections a) Switch b) Input Surge Protection c) Input EMI/RFI Filter Output Voltage Range 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. Precision of output voltage setting Output Current Floating requirement Voltage Ripple Load Regulation Line Regulation Output Voltage Rise Time (a) Output Voltage Fall Time (b) Output Voltage Trip Time Maximum Overshot/Undershoot Settling Time Duty Stability (i) Output Drift (ii) Temp. Sensitivity Specified Values Suitable for the application mentioned Suitable for RC parallel R : ~200 Ω ; C : ~5nF Power supply must be able to sink 10% of negative current. A suitable bleeder would be provided No switching device between bleeder and output. 415±10% VAC, 50Hz, Three Phase-5wire MCCB MOV or any other Surge Suppressor Network. Suitable Input Filter Must be used 0 to 2000 VDC Continuously variable ± 10 V 12A at any set voltage in the specified range. Floating at 2000 V DC Test Voltage 3000VDC 2V Peak-to-Peak in voltage range from 1000 to 2000 VDC 1% for change of load from No-load to full-load 1% for specified variation in the AC input 200µS ± 10% 200µS ± 10% (Normal) ≤ 10 µS (Fault / External Trip) ± 1% i.e. ± 20V ( for specified rage of 1000 to 2000V) ≤ 300 µs to settle within ± 10 V Continuous ≤ 0.5 % per Hour. 0 ≤ 0.01 % per C Offered Values Yes / No Parallel / ____________ R ~_____Ω, C ~_____nF ) _________% Provided / No Yes / No Yes / No MCCB / Contactor / ______ MOV / __________ Input Filter used / Not used / ________ _____ VDC to ___ VDC Continuous / Steps / ______ ± ___ V ______A _____ V DC ___V Pk-Pk ____% ± _____% _____µS ______µS ______ µS ±____% i.e. ± ____V ≤ ____µs ± _____ V Continuous /________ ≤ _____ % per Hour. 0 ≤ _____ % per C 1 of 5 19. 20. 21. Isolation (a) Between Input & Output (b) Between Output & Chassis (c) Between Input and Chassis Leakage Current (a) Input to Output (b) Output to Chassis (c) Input to Chassis Output Protection limits a) Over Current Protection (O/C) b) Over Voltage Protection (O/V) c) Spark-gap Protection 22. Controls On the front Panel 23. Indications on front panel 24. Metering on front panel (a) 15 kVdc for 1 min (b) 15 kVdc for 1 min. (c) 2.5 kVac for 1 min. ≤ 0.1mA at 15 kVDC ≤ 0.1mA at 15 kVDC ≤ 0.1mA at 2.5 kVAC Adjustable 10 turn potentiometers Thumb wheel switches Located Adjustable from 1 to12A Adjustable from 500 to 2000V 2000V DC (a) Start/Stop Push Buttons (b) Emergency Off (c) Local/Remote mode selection Switch (d) Fault Reset Button (e) Output Voltage Set potentiometers (Local Mode) (Course & Fine Adjustment) (a) Output DC ON status (b) Output DC OFF status (c) Over Voltage fault (Preferred) (d) Over Current Fault (Preferred) (e) Spark-gap fired (Preferred) (f) Local / Remote mode (Preferred) (a) Output Voltage Display Digits Accuracy ± 0.5% (b) Output Current Display Digits Accuracy ± 0.5% ____kVdc for 1 min ____kVdc for 1 min. ____kVac for 1 min. ≤ _____mA at 15 kVDC ≤ _____mA at 15 kVDC ≤ _____mA at 2.5 kVAC YES / NO YES / NO YES / NO Inside Panel / Front Panel / _________ _____A to____A. ____ to ____V ______V Would be Provided / NO Would be Provided / NO Would be Provided / NO Would be Provided / NO Would be Provided / NO Would be Provided / NO Would be Provided / NO Would be Provided / NO Would be Provided / NO Would be Provided / NO Would be Provided / NO Digital / Analog 4.1 digit / ________ ± ____% Digital / Analog 4.1 digit / ________ ± _____%) 2 of 5 25. Potential free contacts (PFC) Input signals Output signals 26. Analog Inputs 27. Analog Outputs (Accuracy ± 0.5%) 28. Digital Inputs 29. Digital Outputs. 30. Optical Input Signal 31. Optical Output Signal 32. Technique to be used for the digital and analog control, monitoring and Interlock signals Start command to turn on AC mains (Remote Mode) (Close - Switch ON; Open – Switch OFF) (a) Input AC ON/OFF status (Close – AC input ON; Open – AC input OFF) (b) Power Supply Ready (Close when Output is between 500 to 2000V) Output Voltage Set (Remote Mode) (0 to 10 Vdc corresponding to 0 to 2000 VDC) Output Voltage (0 to 10 VDC corresponding to 0 to 2000 VDC) Accuracy Output Current (0 to 10V dc corresponding to 0 to 12 ADC) Accuracy Power Supply External Trip (Local and Remote Mode) High- Power supply ON; Low- Power supply OFF (output must be zero within 10µSec of TTL Low) a) Power Supply Ready (High when Output is between 500 to 2000V) b) Power Supply Over Voltage Fault (OV) (High when fault occurs; Low when healthy) c) Power Supply Over Current Fault (OC) (High when fault occurs; Low when healthy) d) Power Supply External Trip (ET) (High when external trip occurs; Low - no external trip) Output must be zero within 10µSec of this signal (Light– Healthy; No-light– Supply OFF in 10µSec) within 10 µSec If any fault occur (over voltage, over current etc) an optical output signal must be provided within 5µSec. (Light– Healthy; No-light– Fault; within 5 µSec) within 5 µSec a) Preferably Fiber Optic Transmitter, Fiber Optic Receiver and Fiber Optic Link. b) Signal Multiplexing must not be used. Would be Provided / NO Would be Provided / NO Would be Provided / NO Would be Provided / NO Would be Provided / NO ± _______% Would be Provided / NO ± _______% Would be Provided / NO Would be Provided / NO Would be Provided / NO Would be Provided / NO Would be Provided / NO Would be Provided / NO _____ µSec Would be Provided / NO _____ µSec Fiber Optic / ________ Multiplexing used / Not used 3 of 5 33. Mechanical Cabinet Cabinet Support Installation Ambient Temperature / Humidity 34. 35. a) b) c) Terminations Output Input Acceptance Tests at Factory Open Circuit Test Short circuit test Full load Test for 8 hours d) Voltage Ripple Measurement e) Regulation Test f) Insulation Test at 15 kVdc for 1 Minute g) h) Floating voltage test Measurement of Output Rise Time (Time elapsed between 10% to 90% i.e. ~200 to 1800V) & settling time i) Measurement of Output Fall Time (Time elapsed between 90% to 10% i.e. ~1800 to 200V) Precision of Setting Measurement j) Standard 19" rack of suitable height preferred Approximate height Must be on Wheels Indoor Temperature Maximum 40 °C ; Humidity 9 0 % R H M a x N o n - c o n d e n s i n g Preferably on top of the power supply. Preferable: Cable Entry From side or bottom Local and Remote modes 0 to 2000 V Up to 12A at low voltage with output terminals shorted. i. Monitoring Temperature raise ii. Monitoring Stability i. At 12A and 2000V ii. At 6A and 1000V -Adjust output to 2000V without load -Switch ON 12A load Monitor over / under shoot; settling time; regulation on suitable oscilloscope -Switch OFF the load Monitor over / under shoot; settling time; regulation on suitable oscilloscope -Short output terminals (+ve and –ve) Apply 15kV with respect to chassis using breakdown tester with leakage current monitoring -Annexure-1. Set the supply in remote mode -Apply 0V control signal to set output voltage ~0V. -Apply step change to 10V and note the Rise time -To settle within ± 0.2% in 300µS Set the supply in remote mode -Apply 10V control signal to set output voltage ~2000V. - Apply step change to 0V and note the Fall time Check precision of voltage setting to be ≤ ±5V Standard 19" rack / _________ ________mm Wheels Provided / No Indoor / __________ Maximum ______ °C Maximum ______ % Top / _________ Side / Bottom / _______ Test would be performed / Not possible Test would be performed / Not possible Test would be performed / Not possible Test would be performed / Not possible Test would be performed / Not possible Test would be performed / Not possible Test would be performed / Not possible Test would be performed / Not possible Test would be performed / Not possible Test would be performed / Not possible 4 of 5 k) Delay Measurement for Power supply External Trip (Sl.No. 28) l) Delay Measurement Optical input (Sl.No. 30) m) Checking of functions of all Control, Monitoring and Interlock Signals n) Any Tests conducted at extra charges o) Any tests conducted at third party location -Set output voltage at ~2000V. - Arrange monitoring of the output voltage and Ext. Trip signal on storage oscilloscope. -Change the Ext. Trip from High to Low in step. -Record the time elapsed between TTL Low and output 0V -Set output voltage at 2000V. - Arrange monitoring of the output voltage and optical input signal (Sl.No.30) converted to suitable voltage (~5V). -Apply the optical signal low. -Record the time between Optical Low and output 0V Local and Remote modes Test would be performed / Not possible Mention tests for which charges are extra [ Test No. 35 c, etc] Charges Mention tests performed at third party location [ Test No. 35 c, etc] Proposed Third party details Not applicable / _____________ Not Applicable / Quoted separately Not applicable / _____________ Charges 36. Installation, Commissioning & Acceptance Testing at IPR Premises 37. 38. 39. 40. Warranty Manual Service Manual with BOM Suggested Spares All the above tests would be performed as per site conditions. Extra Charges if any, Quoted separately 1 year from date of acceptance at IPR One Soft Copy; Two Hard Copies One Soft Copy; One Hard Copy To quote separately Test would be performed / Not possible Test would be performed / Not possible Name______________ Location________________ Not Applicable / Quoted separately / At actual/ ______________ Test is Possible / Not possible YES / NO YES / Not applicable _________ YES / NO YES / NO Quoted separately / No 5 of 5