Download Technical Description

ANNEXURE 1
Technical Specifications for SMPS Modules
1. Scope of Supply
SMPS Modules
Quantity: 300 Nos.
2. Qualification of Bidders
The bidder should have past experiences in supplying similar items to reputed firms including public
sectors and R&D institutes, the details of which shall be submitted along with the quotation. Offer
will be rejected, if proof of past experience (copies of purchase orders) of supplying similar items is
not provided along with quotation.
3. Technical Specifications
Table 1: Technical specifications
Sr.
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Technical Parameters
AC input voltage range
Power factor
Inrush surge current
Hold up time
Output voltage
Output current
Residual ripple
Efficiency
Line regulation
Load regulation
Connection type
Maximum power
dissipation
Dimensions
Monitoring Signals
Values
3 phase AC 380-480V, (48-62 Hz)
≥ 0.85 (at 480 V AC) at 48V DC, 20A
≤ 6 A (peak) (480 V AC)
≥ 20 ms (400 V AC)
DC 48-54 V (48 V nominal value), user adjustable
20 A (continuous) at 48 V output
≤ 200 mVPP (20 Hz to 20 MHz, 50 Ω) at 48V, 20A
≥ 95 % at full rated output
≤ 20 mV, for 350 V to 500 V
≤ 50 mV
screw / spring cage (terminal block) conforming IP 20
≤ 20 W (No load) / ≤ 50 W (nominal load )
≤ Width 120 mm, Height 130 mm, Depth 130 mm
DC- OK relay – contact rating 30V, 1 A (indicating output
voltage drop by more than 10%), Overload indicator
0 °C to 60 °C and 5-95% r. H. (non condensing)
Horizontal DIN rail NS 35
Conforming to EN 60950-1
Conforming to EN 61000-4-3 in 100 MHz to 1 GHz
Conforming to EN 61000-6-3 and EN61000-6-4
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Operational ambience
Mounting position
Electrical safety
EMC Immunity to RF
Electromagnetic
emission
20
Protection
Input fuse (internal) protected. Should meet IP20 standard
21
Repetitive pulse loading
Capable of pulse loading up to 150% of nominal current for
minimum 40% duty cycle and 4 s pulse duration
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Warranty
Minimum 2 years from the date of supply
* All specifications shall apply to the operation on 48 V DC output.
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4. Application
These DC power supplies will be employed to power RF amplifier. As the supplies will be used in RF
environment their EMI/EMC specifications are important. These supplies will be used in an enclosure
and is intended for industrial control and instrumentation equipment.
5. Acceptance criteria
a) Advance sample will be required for technical approval at our site. This sample will be used to
bias one UHF solid-state RF amplifier (with RF output power of around 500 W). Technical
evaluation and approval will be done for the supplied sample with the help of standard measuring
equipment like oscilloscope, spectrum analyser and power sensors. Supplier should deliver
balance quantity only after this approval. The balance DC power supplies will be accepted at our
site after making physical inspection and electrical test/ measurement. It will be tested for
confirming values of the parameters as per the tender specifications.
b) Supplier shall replace defective items (if found after testing) at site, without any additional cost.
Payment will be made within 30 days after verifying technical compliance of the item as per
tender specifications.
6. Technical Particulars for inclusion in the offer
The bidder shall compulsorily mention make, model and values for each and every parameter,
mentioned under the following table, in the quotation. It should be duly certified by them, along with
supporting documents, if any. Evaluation of the bids will be based on this table.
Table 2: Technical Particulars for inclusion in quoted offer/ Compliance Sheet
Sr.
Technical Parameters
1
2
3
Make of quoted item
Model of quoted item
4
5
6
7
8
9
AC input voltage range
Power factor
Inrush surge current
Hold up time
Output voltage
Output current
Residual ripple
13
Efficiency
Line regulation
Load regulation
Connection type
14
Maximum power
10
11
12
Values
Bidders Quoted Parameters
with Compliance/ Deviations
3 phase AC 380-480V, (48-62 Hz)
≥ 0.85 (at 480 V AC) at 48V DC,
20A
≤ 6 A (peak) (480 V AC)
≥ 20 ms (400 V AC)
DC 48-54 V (48 V nominal value),
user adjustable
20 A (continuous) at 48 V output
≤ 200 mVPP (20 Hz to 20 MHz, 50
Ω) at 48V, 20A
≥ 95 % at full rated output
≤ 20 mV, for 350 V to 500 V
≤ 50 mV
screw / spring cage (terminal
block) conforming IP 20
≤ 20 W (No load) / ≤ 50 W
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15
dissipation
Dimensions
16
Monitoring Signals
17
Operational ambience
18
Mounting position
19
Electrical safety
EMC Immunity to RF
20
22
Electromagnetic
emission
Protection
23
Repetitive pulse loading
24
Warranty
25
Whether Test result will be
included with final delivery?
Whether Item will be
shipped in OEM pack?
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(nominal load )
≤ Width 120 mm, Height 130 mm,
Depth 130 mm
DC- OK relay – contact rating 30V,
1 A (indicating output voltage
drop by more than 10%), Overload
indicator
0 °C to 60 °C and 5-95% r. H. (non
condensing)
Horizontal DIN rail NS 35
Conforming to EN 60950-1
Conforming to EN 61000-4-3 in 100
MHz to 1 GHz
Conforming to EN 61000-6-3 and
EN61000-6-4
Input fuse (internal) protected.
Should meet IP20 standard
Capable of pulse loading up to 150%
of nominal current for minimum 40%
duty cycle and 4 s pulse duration
Minimum 2 years from the date of
supply
7. General conditions
a) Supplier should deliver items in properly sealed OEM packing.
b) Data sheet of quoted item from original manufacturer shall be attached in the offer.
c) The supplier has to submit documents (in English) related to DC power supply operating
instructions, control and protection features and interfacing details.
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