DC Battery Charger
DC Battery Charger
Standard Features
- 6 Pulse (for 3 Phase)
- Input Transformer for Galvanic Isolation
- Front Panel with LCD Screen (2 Lines), LED Indication and MIMIC diagram
- Digital Metering on LCD including, Input Voltage and Current (for 1 Phase), Battery Voltage and Current, Load Voltage, Charger Output Current
- Redundant Supply for LCD
- Separate Battery Charge Current and Output Current Adjustment via Current Transformer
- Output LC Filter
- Transient Surge Protection (via Varistor)
- Input MCB with Auxiliary Contacts
- Load and Battery MCB (up to 60A) with Auxiliary Contacts
- Load and Battery NH Fuse (higher than 60A) with Auxiliary Contacts
- Forced Ventilation with Smart Fan
- Event History up to 250 Events
- 8 Free Contacts
- Automatic Online Battery Performance Test
- Automatic and Manual Boost Function
Optional Features
- 12 Pulse (3 Phase), THDi ≤ 10%, (PF) ≥ 0.85 Inductive
- 12 Pulse (3 Phase) with Active Harmonic Elimination, THDi ≤ 5%, (PF) ≥ 0.95 Inductive
- LCD Screen (4 Lines)
- Digital Metering on LCD Input Current (for 3 Phase)
- Analogue AC or DC Voltmeter and Ammeter
- Dropper Diodes
- DC/DC Converter (Can be used as a voltage stabilizer instead of dropper diodes)
- LVD (Battery deep discharge protection contactor)
- SCR Fuse (Semiconductor Fast Fuse)
- Transient Surge Protection (via Surge Arrester)
- Input, Load and Battery MCCB
- Front Access Industrial Enclosure
- Battery and Battery Charger Inside Same Enclosure
- Natural Ventilation
- Custom IP Protection
- Custom Paint
- Enclosure Heater and Lighting
- Internal or External Distribution
- Forced/Active Load Sharing in Parallel Configuration
- Battery Temperature Compensation
- 8 Free Contacts (Configurable via Communication interface)
- Communication (PC Remote, Modbus, SNMP, Profibus, DNP 3.0 via RS 232, RS 485 or Ethernet TCP/IP ports)
General
Model
RDA / RDAT series
Topology
Full Bridge Phase Angle Controlled Thyristor Module Rectifier
Control
Microprocessor Controlled System
Input
Input Isolation Transformer
Galvanically isolated / Primary & Secondary Earth Screened
Nominal Voltage and Tolerance
110/127/190/200/220/230/240/380/ 400/415/480 VAC ±15% (1 Phase or 3 Phase)
Nominal Frequency
50 Hz / 60Hz ±5%
Cosφ
≥ 0.8 Inductive (6 Pulse) ≥ 0.85 Inductive (12 Pulse) ≥ 0.95 Inductive (12 Pulse with active harmonic elimination)
Total harmonic Distortion (THDi)
≤ 30% (6 Pulse), ≤ 10% (12 Pulse), ≤ 5% (12 Pulse with active harmonic elimination)
Input Protection
Input: Thermic-Magnetic Over Current Protection, Over Voltage Protection, Phase Sequence Free Operation (3 Phase), Soft Start, MCB
Output
Battery Charging Principle
Constant Current/ Constant Voltage
Rated Power
Depends on DC voltage and Current
Nominal Output Voltage
12 / 24 / 48 / 110 / 125 / 220 / 264 / 360 / 450 / 900VDC
Output Current Adjustment
0-100% of Nominal Output Current
Static Tolerance
±0.5% (Lower values available upon request)
Output Voltage Ripple RMS
≤ 1% RMS AC of Output Voltage
Boost voltage (V/C)
2,4 lead acid battery 1,60 NiCd Battery (Depends on battery manufacturer recommendation)
Float voltage (V/C)
2,23 lead acid battery 1,40 NiCd battery (Depends on battery manufacturer recommendation)
Dynamic Response Time and Voltage Variation
<50msec, <+/-5% (for 10% – 100%, 100% – 10% step load change)
Control Elements
Battery Test
Automatic or manual selectable. Please refer to user manual for details
Boost Timer
0 – 99,9 hours adjustable by 1 minute accuracy
Current Limitation
Total output current and battery current can be adjusted separately
Alarm Contacts
Open or closed free alarm contacts
“Low Battery, Mains Input Normal / Failure, Charger Failure, Overtemperature, Charger Overvoltage, Load MCB ON/ OFF, Battery MCB ON / OFF, Earth Fault”
Display Panel & Measurement
Measurements
LCD Display for Line Voltage / Frequency / Current (Standard in 1 Phase, Optional for 3 Phase), Battery Output Voltage / Current, Load Output Voltage, Charger Total Output Current
Indicators
Float Mode, Boost Mode, Current Mode, Equalize Mode, Battery Ending, Low Battery, Battery Test Failure, Line Failure, Fan Failure, Over Voltage, Under Voltage, Over Temperature, Rectifier Failure, SCR Fuse Failure, Mains Available, Load MCB, Battery MCB
Adjustable Parameters
Float Charge Voltage, Boost Charge Voltage, Equalize Charge Voltage, Battery Charge Current, Rectifier Total Output Current, Low Battery Voltage Alarm, Earth Fault Leakage Current Alarm (only available in 4 line LCD), Battery Ending Voltage Alarm, Online Battery Test Parameters, Auto Boost Charge Parameters, Password
Event History
Events recorded and displayed on front panel and on PC via remote communication
Sound Alarm
On Warning Messages 2 Short ‘beep’ per 2 seconds
Communication And Paralleling
Communication (OPTIONAL)
LCD Display for Line Voltage / Frequency / Current (Standard in 1 Phase, Optional for 3 Phase), Battery Output Voltage / Current, Load Output Voltage, Charger Total Output Current
Paralleling (OPTIONAL)
Redundant Operation of Dual Chargers with Forced (Active) Load Sharing Option
LVD
LVD (OPTIONAL)
Protection of Battery from Deep Discharge via Contactor. Available on request
Dropper Diodes
Dropper Diodes (OPTIONAL)
Dropper Diodes for Float and Boost Voltage Regulations. Available on request
Safety & Environment
Circuit Breakers
Input: Miniatur circuit breakers; Output: Miniatur circuit breakers / NH Fuse; Battery: Miniatur circuit breakers / NH Fuse
Over Voltage Protection
IEEE 587 4500 A, 110 Joules (standard) / 40kA Surge Arrestor (OPTIONAL)
Electrical Interference Reduction
FCC Part 15 Class B
Electrical Standard
EN 50091-1 (Security) / EN 50091-2 (EMC)
Protection Level / Color
IP 20 / RAL 7035 (Standard), (Higher IP rating and different colors are available, please consult)
Isolation Voltage
2000VAC input/chassis and output/chassis
MTBF
100,000 hrs. (w/out battery group)
Enclosure Material
Mild Steel, Zinc-phosphate coated; 100 µm electrostatic paint; 1.5 mm thickness
Cooling
Forced fans / Natural (optional)
Cable Entry
Bottom / Top (optional)
Distribution
OPTIONAL
Heater & Lightning
OPTIONAL
Operating Temperature
-10 / +40 °C. Higher operating temperatures are available, please consult
Relative humidity
0 – 90%. Higher relative humidity are available, please consult
Operating Altitude
Max. 1000 Mt. (Higher altitudes requires de-rating, please consult )
Noise Level
Max. 65 db
