Description
7.10 Technical Particulars & Guarantees of
110V DC Sub-Station Battery
110V DC Sub-Station Battery
| SL. No. | Description | Unit | BPDB’s Requirement | Manufacturers Guaranteed Particulars |
| 1 | Manufacturers name & country | – | To be mentioned | HEMG/CHINA |
| 2 | Manufacturers model no. | – | To be mentioned | GNZ100 |
| 3 | Type | – | Nickel Cadmium Alkaline (enclosed type) | Nickel cadmium Alkaline(open type) |
| 4 | Operating Voltage | V DC | 110 | 110 |
| 5 | Continuous Discharge Current at rate of 10 hour & Final Cell Voltage 1.1 Volt | Amp | 10 | 10A |
| 6 | Short Time Discharge Current at rate of 2 hour & Final Cell Voltage 1.1 Volt | Amp | 50 | 50A |
| 7 | Electrolyte type | – | To be mentioned | Alkaline solutions |
| 8 | Capacity at 10 hour rate | AH | 100 | 100Ah |
| 9 | Discharge Voltage | Volt | 1.3 Per Cell | 1.3 Per Cell |
| 10 | Charging Voltage (Normal) | Volt | 1.6 Per Cell | 1.6 Per Cell |
| 11 | Number of cells | Nos. | 92 nos. +5nos. Spare | 92 nos.+5 nos. Spare |
| 12 | Voltage per cell | V | 1.2 | 1.2V |
| 13 | Charging Voltage (Maximum) | Volt | 1.75 Per Cell | 1.75 Per cell |
| 14 | Normal float charge rate | A | To be mentioned | 0.2A-0.3A |
| 15 | Maximum boost charge rate | A | To be mentioned | 30A |
| 16 | Amp hour efficiency at: a) 10 hour rate b) 1 hour rate |
% % |
To be mentioned To be mentioned |
108% 60% |
| 17 | Size of cell | Mm | To be mentioned | 165*105*345mm(ABS or PP container) |
| 18 | Weight of cell and electrolyte | Kg | To be mentioned | 9.3Kg/1.70Kg |
| 19 | Standard | – | As per Latest Edition of applicable IEC-60623 | IEC-60623 |
| 20 | Specific gravity of electrolyte | To be mentioned | 1.20±0.02g/cm3 | |
| 21 | Release pressure for valve regulated type | Kg/m2 | To be mentioned | 0.005×10-4Kg/m2 |
| 22 | Volume of electrolyte per cell | Ml | To be mentioned | 1.8L |
| 23 | Volume of reserve electrolyte per cell | Ml | To be mentioned | 0.78L |
| 24 | No of electrode plates per cell | Nos. | To be mentioned | Positive 12 pcs Negative 11 pcs |
| 25 | Type of racks a) Height b) Width c) Depth |
To be mentioned |
Steel 3360 640 626 |
|
| 26 | Cell dimension: a) Height b) Width c) Depth |
To be mentioned |
165 105 345 |
|
| 27 | Rack Dimensions a) Height b) Width c) Depth |
3360 640 626 |
||
| 28 | Recycling facilities for unserviceable batteries available or not | Y/N | To be mentioned | No |
Seal & Signature of the Manufacturer Seal & Signature of the Bidder
7.11 Technical Particulars & Guarantees of Sub-Station
110V DC Battery Charger
| SL. No. | Description | Unit | BPDB’s Requirement | Manufacturers Guaranteed Particulars |
| 1 | Manufacturers name & country | – | To be mentioned | HEMG |
| 2 | Manufacturers model no. | – | To be mentioned | GZDT-110V/50A |
| 3 | Rating | – | To be mentioned | 10KVA |
| 4 | Rated Input voltage range | V AC | 415 V ± 10% | 415V±10% |
| 5 | Rated Frequency | Hz | 50 Hz (±3%) | 50Hz±3% |
| 6 | No of Phase | – | 03 | 03 |
| 7 | Control | Shall be mentioned | PLC+Touch screen | |
| 8 | Communication module for station automation | Shall be provided | 485 | |
| 9 | Rectifier type | Silicon | Silicon | |
| 10 | Nominal output voltage | V DC | 110 | 110V |
| 11 | Charging operating control | Boost and floating charge, automatic with manual operation | manual operation | |
| 12 | Output current | A DC | ≥ 40 | 50A |
| 13 | Continuous current rating | 110% of rated current | 110% of rated current | |
| 14 | Efficiency | % | ≥ 85 | ≥85% |
| 15 | Voltage regulation | % | ± 0.5 | ≤±0.5% |
| 16 | Ripple voltage | mV | ≤ 150 | ≤150 |
| 17 | Boost charging voltage | V/cell | 1.6 to 1.75 (programmable) | programmble |
| 18 | Boost charging time | Hour | Programmable | programmable |
| 19 | Operating temperature | °C | 0 to 50 | 0~50 |
| 20 | Humidity | % | 95 | 95% |
| 21 | Audible noise | dB | ≤ 65 | ≤65 |
| 22 | Facilities for paralleling with another charger | Shall be provided | One charger | |
| 23 | Protection against surge voltage | Shall be provided | Surge arrester | |
| 24 | Protection against reverse polarity | Isolation diodes | ||
| 25 | Provision for current limiting | 110% | ||
| 26 | Provision of constant voltage charge 90V -130V | 80-160V | ||
| 27 | Provision of showing earth leakage current by analog meter | 20mA | ||
| 28 | Battery Temperature compensation | Shall be incorporated. | -2~3mv/ºC(20ºC) | |
| 29 | Alarm annunciator independent of the microprocessor | Shall be provided | PLC | |
| 30 | Analog meters for voltage and current measurement of input output and battery power | Shall be mentioned |
Dc voltmeter Dc current meter |
|
| 31 | Dimension | Shall be mentioned | 800×600×2260mm | |
| 32 | Output voltage range a) Normal charge b) Float charge c) Boost charge |
V DC V DC V DC |
110 V ± 1% 120 V ± 1% 150 V ± 1% |
110 V ± 1% 120 V ± 1% 150 V ± 1% |
| 33 | Normal/boost charge independent units? | Yes/No | To be mentioned | No |
| 34 | Output current | A | 50 | 50 |
| 35 | Rated Battery Current | A | 20 | 20 |
| 36 | Efficiency | % | To be mentioned | 80% |
| 37 | Ripple Voltage | % | 3% | 3% |
| 38 | Type of AVR | – | Static | 20V |
| 39 | Installation Break Down Voltage | KV | 2KV for 1 Minute | 2KV for 1 Minute |
| 40 | Type of rectifier | Thyristor | To be mentioned | Thyristor |
| 41 | MCCB | |||
| a) Quantity | Nos. | MCB will be provided near AC input & DC Output | Meet customer needs | |
| b) Rating | A | AC input MCB-50A DC Output MCB-63A | AC input MCB-50A DC Output MCB-63A | |
| 42 | Standard | – | As per Latest Edition of Applicable IEC-60146 | IEC-60146 |