Battery Chargers Linear

Protections

• DC Over Voltage
• DC Over Load
• DC Under Voltage

General Specifications

Parameters	Ratings
Battery Charger Rating	From 100 W to 160 kW
Battery Charger Technology	ARM Cortex microcontroller (72 MHz) based Thyristor rectifier
Rectifier Specification	3 Phase Six Pulse full wave - controlled Bridge Circuit full wave rectifier
Charging Technology	CC/CV, Float-Boost Charger

Electrical Specifications

Parameters	Ratings
Input AC Voltage	Three Phase 415VAC ± 10%, 15%, 20%
Input Frequency Range	50 Hz ± 5%
Input Harmonics Filter	Low Pass C- Type
Output Voltage (Rated)	From 6V, 12V, 24V, 48V, 110V, 220V to 360 VDC.
Float Charge Voltage	2.25V/Cell Settable as per requirement.
Boost Charge Voltage	2.35V/Cell Settable as per requirement.
Output Charge Voltage Range	From 12 VDC to 220 VDC
Battery Charger Total Current Capacity	Upto 1000 A
Battery Charging Current	Boost Mode: 5A - 800A Float Mode: 0-5A
Load Current (@ 48VDC)	Upto 800A
Current Limit	103% of Battery Charging Current in Boost Mode
Current Regulation	± 2%
Output Ripple	≤ 2% of RMS voltage at Resistive Load
Output Efficiency	85-90% At Maximum Output Power & Nominal AC voltage
Dynamic Response Time & Voltage Variation	<50msec, <+/-5% (for 10% – 100%, 100% – 10% step load change)
Insulation Class	Class F, Class H
Battery Chemistry	VRLA, VRLA Tubular, NiCd, Lithium

Protections

Parameters	Specifications
Control Protection	DC Undervoltage, DC Overvoltage, DC Overload, Battery charging Overcurrent
Physical Protection	Input circuit breaker, Charger output fuse + Circuit breaker, Charger current limit, Load current limit

Environmental Specifications

Parameters	Ratings
Acoustic Noise Level from 1m distance	≤ 65 dB
Operating Temperature	-5 TO 50°C
Storage Temperature	-10 TO 60°C
Relative Humidity	Up to 95 % (Non-Condensing)
Altitude	< 3000 meter above sea level

Physical Specifications

Parameters	Ratings
Material of construction	Metal Sheet / CS, SS As per requirement
Thickness	Standard 1.6, 1.2, 2mm can be customize
Enclosure Protection Grade	IP 20 - IP 42 As per requirement
Cooling	Forced Cooling
Colour	(Optional 7 tank process) RAL 7032, 1.20µm. Colour and Thickness are customizable.
Cable Entry	From Top or Bottom (Please Specify before Order)
Panel Access	Front & Back
Terminal Arrangement	ON front Side
DC DB	Inside the battery charger assembly if required.

Control and Monitoring Interface

Parameters	Ratings
Communication	RS-485
Current measurement	Digital (Hall effect Sensor, Individual for Battery Charging Current & Load Current) ±1A Accuracy
Alarms (Through Indication LED)	Charger Fail, DC High, Under/Over Voltage Trip
Metering	AC Input Voltage and Current, Charger Voltage, Charger Current, Load Voltage, Load Current
Magnetics	Isolation Transformer at Input DC Choke