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Specification For Battery and Battery Charger (Tripping Unit) For 11Kv Indoor Switchgear Offered

The document specifies the requirements for a 30VDC battery and charger unit for use in supplying power to the tripping and control systems of 11kV indoor switchgear. The unit must be able to operate in tropical environments up to 50 degrees C without cooling. It must provide a minimum 20AH battery capacity and 10A charging capacity from a 240V 50Hz AC supply. The enclosure must be coated steel, IP21 rated, and allow wall or floor mounting. Required features include automatic charging, input/output isolation, charge level testing, overcurrent protection, and indicators. The unit must also provide load protection, alarm monitoring, and remote interface capabilities. Technical documentation and certifications must be submitted with any product offering.

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Anas Memon
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894 views1 page

Specification For Battery and Battery Charger (Tripping Unit) For 11Kv Indoor Switchgear Offered

The document specifies the requirements for a 30VDC battery and charger unit for use in supplying power to the tripping and control systems of 11kV indoor switchgear. The unit must be able to operate in tropical environments up to 50 degrees C without cooling. It must provide a minimum 20AH battery capacity and 10A charging capacity from a 240V 50Hz AC supply. The enclosure must be coated steel, IP21 rated, and allow wall or floor mounting. Required features include automatic charging, input/output isolation, charge level testing, overcurrent protection, and indicators. The unit must also provide load protection, alarm monitoring, and remote interface capabilities. Technical documentation and certifications must be submitted with any product offering.

Uploaded by

Anas Memon
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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SPECIFICATION FOR BATTERY AND BATTERY CHARGER (TRIPPING UNIT)FOR Offered

11KV INDOOR SWITCHGEAR

ITEM DESCRIPTION Self Contained Battery and Charger Unit, 30VDC


AMBIENT CONDITIONS For Indoor use with natural ventilation under highly corrosive and
tropical atmosphere having maximum room temperature of 50 0 C
without air-conditioning.
APPLICATION/USAGE Used as Tripping and control supply to 11KV Indoor Switchgear
Units
RATINGS Required Output Voltage = 30VDC
Battery Ampere hour Capacity = 20AH (minimum)
Charger output Current = 10A
Charger Input = From Standard 13A, 240VAC, 50Hz socket-outlet
ENCLOSURE Protective coated sheet steel enclosure, with sufficient ventilation
suitable for AN conditions
ENCL. IP CLASS Not less than IP21
MOUNTING Facility for Wall or Floor Mounting
REQUIRED FEATURES Nickel-Cadmium rechargeable battery (Sealed-Maintenance free
type)
Automatic boost charging facility
Complete Input & Output with Proper Isolation links
Test facility for Battery charge level
Protection of all components, including input and rectifier bank
through properly rated MCBs
Current and voltage Indicators (analogue type) shall be provided
Load protection & Isolation of battery through properly rated MCB
The MCBs Trip & alarm contacts should be monitored
Alarm & Status Indication of all important events
Battery low voltage indication shall be provided
Interface for remote monitoring facility should be connected to
dedicated terminals
(Note: Following documents to be submitted along with the tender offer or submittal for approval)
DOCUMENTS TO BE
Technical Data Sheets with all parameters
SUBMITTED
Specific Product catalogue & Data-sheets
Operation & Maintenance Instructions
Manufacturer details and country of Origin
Copy of valid ISO 9001 certificate & Battery type test certificate
Statement of Compliance or deviations from our specification (as
referred above)
Confirmation to provide 5-years warranty of the battery
APPROVED PRODUCTS
Name of Manufacturer
Type/Model Designation

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