INDIAN ASSOCIATION FOR THE CULTIVATION OF SCIENCE
Jadavpur, Kolkata - 700032
 
Tender No.: IACS/IBIQUS/MS 2010-11/01/05                          Dated 02.06.2011

Sub: 30 KVA - 3 Phase Servo Controlled Voltage Stabilizer
 

Sealed tenders in two bid systems (Technical Bid & Financial bid) are invited from reputed vendors for a 30 KVA - 3 Phase Servo Controlled Voltage Stabilizer, stabilized at 400V phase to phase of the following specifications & Accessories. The tender should be submitted to the following address in plain paper or Letter Head in two separate sealed envelops containing technical bid and price bid. These two sealed envelops should then be enclosed in a single envelope and sealed. Complete tender bids should reach by June 20, 2011. Proposed delivery schedule should be mentioned clearly. Both the technical & financial bids will be opened on June 24, 2011.  The price bid of only those tenderers will be opened who comply with the technical specifications. 

Professor G. B. Talapatra,
Department of Spectroscopy
Indian Association for the Cultivation of Science
2A Raja S. C. Mullick Road,
Jadavpur, Kolkata 700032 

Last date of Submission: June 20, 2011

Date of Opening of technical bid: June 24, 2011, Friday at 3:00 PM in presence of the intending bidders.

TECHNICAL SPECIFICATION FOR 30 KVA - 3 PHASE SERVO CONTROLLED VOLTAGE STABILIZER

Sl. No.

ITEM

SPECIFICATIONS

1

Capacity

30KVA -3 Phase, stabilized at 400V phase to phase

2

Input Voltage Range

320V-460V AC-3 Phase. (184-265V AC/Phase)

3

Output Voltage

400V ± 1%, 3-Phase (~230V ± 1% / Phase) (Adjustable)

4

Frequency

47 - 53 Hz

5

Wave from Distortion

None

6

Effect of Load Power Factor

Nil

7

Input Terminal

3 & 1/2core, 4wire (R, Y, B, &N) and Earth

8

Output Terminal

Star/Delta

9

Input cable

16mm square COPPER -5meter

10

Speed of correction

>=100V/ Sec

11

Regulation

± 1.0% from no load to full load

12

Ambient Temperature

0 ° to 55 ° C

13

Environment

Indoor continuous operation

14

Type of cooling

Air-cooled

15

Control Circuits

Fully Solid State

 

 

 

 

Other requirements should be provided:

 

1

Built in spike suppressor

2

Phase to Phase Voltmeters

3

Individual phase Voltmeters to read Input / Output voltages

4

Selector Switch to monitor the Input & Output Voltages

5

MCB for protection against overload & short circuit

6

Auto / Manual operation facility

7

Load TRIP actuating device

8

Digital meter for monitoring of phase to phase voltage, phase load current and line frequency

9

Manuel by-pass switch

10

Protection against

(i)                   High & Low output voltages

(ii)                 Unbalanced line & load

(iii)                Over - Under Voltage

(iv)               Overload in any phase

Terms & Conditions:

Payment: 100% against delivery and successful installation

Warranty: Minimum 2 years Warranty for Parts & Labor should be available.

Note:

  • The tender should accompany a compliance chart.

  • The rate should be inclusive of all taxes, transportation etc. Nothing extra will be paid in addition to the quoted rate.

  • The model number, make, and a printed literature of the product shall submit positively

  • Number of installations with a list of customers (with proper documents) of such equipment in India in last five years.

  • Authorized Dealership Certificate is must in case of principal manufacturing company is not quoting directly.

  • The tender notice number and the name of the instrument should clearly be written on envelope.

  • Technical support in India.

  • Guarantee certificate, users manuals etc. are to be handed over to the user after successful commissioning of the system.

  • The Institute authority does not bind itself to accept the lowest

  • The Institute reserves the right to reject any or all of the tenders received without assigning any reason thereof.

  • Conditional/incomplete documentation shall be summarily rejected 

For any clarification regarding technical specifications, etc. please send your queries to Prof. G. B. Talapatra at spgbt@iacs.res.in

Registrar

R E G I S T R A R

2A & 2B Raja S. C. Mullick Road,
Jadavpur, Kolkata -700032
Phone : 2473-4971 Fax : 2473 2805
E-mail : registrar [at] iacs.res.in

Put on Web on June 02, 2011