Download Data sheets of Screen Grid Power Supply (SGPS)

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
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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 / ________
± _____%)
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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
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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
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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
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