FLT Battery Charger FLT-1P48V60A

FLT Battery Chargers are AC/DC Rectifier and Battery Chargers that are designed to safely charge high-capacity battery packs and provide stable DC voltage to critical loads at the same time. The network voltage is rectified by a microprocessor controlled Thyristor bridge. Specially designed LC filter units provide low ripple level and stable DC output voltage. Optionally added Silicon Dropper Units provide voltage regulation at DC load output. It can be used as an uninterrupted DC Power supply by connecting the battery to the FLT Battery Chargers.

Input Isolation Transformer
Durable structure with thyristor technology
●3 phase and 1 phase input voltage option
High power up to 500 Kva
Ni-cd, Lead Acid and Stationary battery charging
Constant Voltage / Constant Current Charge Function
Float Charge / Boost Charge Facility
Equalization Charge (Optional)
Microprocessor based management card
DC Earth Leakage protection
Overload protection
Over temperature protection
Low Voltage / High Voltage protection
Efficiency >% 85-95
Operator Panel with 4x20 LCD Display
7” Touchscreen Operator Panel (Optional)
Suitable design for industrial environment
TS EN ISO 9001: 2015 Quality Certified

FLT Battery Charger Technical Features
Capacity/Power
48V - 60A
TechnologyThyristor Controlled Rectifier, Microprocessor Controlled Industrial Type Battery Charging System
Power Factor>0.65 (Power factor can be increased with optional Input Filter)
Input
Rated Input Voltage230VAC 1 Phase + Neutral + Ground (Different voltages are Optional)
Voltage Tolerance+15 % , -15 %
Frequency50 Hz. +/-%5 (60 Hz. Optional)
Output
Rated Output Voltage48V DC
Voltage Tolerance+/- 1 %
Voltage Adjustment+/- 20 %
Rated Output Current60A
Current AdjustmentBetween 2 % - 100 %
Charging ModeConstant Voltage/Constant Current, Boost Charge, Float Charge, Equalization Charge (Optional)
Efficiency85% - 95%
Protection Functions
Over Temperature ProtectionElectronic Over-temperature Protection (Fan cooling works at 50C. At 80C, the power to the load is cut.)
Surge ArresterSurge Arrester Class-I or Class-II for Over Voltage and Lightning Protection (optional)
Earth Leakage ProtectionIt monitors the isolation between DC(+) or DC(-) and ground. It gives an alarm in case of leakage.
Optional Features
Silicon Dropper UnitAutomatic voltage regulation unit for DC load output. 1 Step or 2 Steps
LVD UnitBattery deep discharge Protection. It seperate the load connection when the battery voltage drops.
Automation UnitDry Contact Outputs for fault and status information
Battery Reverse Polarity ProtectionIt prevents the Battery Circuit Breaker from being set up when the Battery is connected in reverse.
Management Panel and Communication Options
LCD Display Operator Panel4 lines 20 characters LCD display and Mimic Diagram. Input Voltage, Output Voltage, Output Current, Battery current, Boost Voltage, Float voltage, Boost Timer, LVD voltage, Date-time, Status and Fault information, Parameter settings
TouchscreenOperator Panel (optional)7" Touch Color screen Input Voltage, Output Voltage, Output Current, Battery current, Boost Voltage,Float voltage, Boost Timer, LVD voltage, Date-time, Status and Fault information, Parameter settings
Remote ManagementInterface (optional)Browser-based remote management with Ethernet connectionMOD-BUS RTU with RS485 connection
MOD BUS RTU (Optional)It is designed for monitoring and management via Mod-Bus. It can be monitored and managed by connecting with a cable. All parameters of FLT Battery Chargers can be monitored and some parameters can be changed with Mod-Bus protocol.
Environmental Conditions
Operating temperature-10 °C ~ +40 °C
Altitude Operating Height1.500m (3.000 m Optional)
Humidity90% none condensed
Acoustic Noise< 55dB (at 1m distance and doors closed)
Cabinet Specifications
Type–Protection ClassFree Standing Modular Cabinet, IP21 Indoor type (IP54 and higher protection class, Outdoor Type Cabinets are optional)
Paint–ColorEpoxy-Polyester Powder Paint - RAL 7035 (Different Colors are optional)
CoolingForced air cooling with thermostat controlled fan

OPTIONCODEDESCRIPTION
Non-standard input voltage valuexxxVFLT series battery chargers can be produced at any required input voltage value that must be stated clearly by the order confirmation.
Adjustable output voltageADJOutput voltage of FLT series battery chargers can be adjusted by the LCD panel. Maximum adjusting range is +/-30%
Non-standard frequencyFRQFLT series battery chargers are produced to function under 60 Hz network frequency.
Battery Output CB ProtectionOCBCB may be added to the battery charger to provide battery output
Load Output CB ProtectionLCBCB may be added to the battery charger to load output
Special EnclosureKFLT series battery chargers can be produced both INDOOR and OUTDOOR in special cabinets having different IPXX protection classes.
EMC FilterEMCSpecially designed EMC-Filters can be added optionally to the both input and output of FLT series battery chargers. Filter specifications must be stated by offer/order.
Surge protectorESDHigh-Voltage Protection and Surge Arrester can be added to the both input and output of FLT series battery chargers. The required protection classes and the specifications (CLASS-I,CLASS-II,CLASS-III) must be given with the order.
Dry Contacts OutputCUp to 21 Dry Contacts can be added for automotion and remote control.
Non-standard Input/Output terminalTAccording to the various customer needs. Input and output terminals can be designed and located specially on the cabinet. The required terminal drawings must be supplied together with the offer/order.
Special design and accessoriesSPMFLT series battery chargers can be designed specially with respect to direct customer needs and technical specifications. All special requirements and detailed technical drawings and specifications for accessories must be provided by the customer at the offer/order stage.
Remote Management InterfaceRMUBrowser-based remote management with Ethernet connection MOD-BUS RTU with RS485 connection
Touchscreen Operator Panel (optional) TSP7" Touch Color screen Input Voltage, Output Voltage, Output Current, Battery current, Boost Voltage, Float voltage, Boost Timer, LVD voltage, Date-time, Status and Fault information, Parameter settings
Parallel Connection and Load SharingPCFLT battery chargers can be connected in parallel for redundancy and load sharing. Load balancing indicator can be added.
LDV UnitLVDLow voltage disconnect for Battery discharge protection.
SDU UnitSDUSilicon dropper unit for voltage regulation of DC supply.
Battery Reverse Polarity ProtectionBBPIt prevents the Battery Circuit Breaker from being set up when the Battery is connected in reverse.
Input VM/AMIMAnalog / digital voltmeter or ammeter for input.
Output VM/AMOMAnalog / digital voltmeter or ammeter for output.
Battery VM/AMBMAnalog / digital voltmeter or ammeter for the batteries.
Output Distribution CBDCBDesired number of distribution CB for output can be applied.
Battery RackBRBattery racks can be installed if required in the order.
What is FLT Battery Charger?

FLT Battery Chargers are AC/DC Rectifier and Battery Chargers that are designed to safely charge high-capacity battery packs and provide stable DC voltage to critical loads at the same time.
The network voltage is rectified by a microprocessor controlled Thyristor bridge. Specially designed LC filter units provide low ripple level and stable DC output voltage.
Optionally added Silicon Dropper Units provide voltage regulation at DC load output.
It can be used as an uninterrupted DC Power supply by connecting the battery to the FLT Battery Chargers.

How does it work?

FLT Battery Chargers consist of input power transformer, thyristor rectifier unit and electronic control units.



The power transformer adjusts the network voltage close to the DC charging voltage. Thyristor bridge that is connected to the secondary windings of the power transformer provides AC/DC voltage conversion and DC voltage adjustment. Output filters are used to keep the OUTPUT voltage stable and low ripple.

The microprocessor-based management board that is equipped with sensitive measuring circuits controls the thyristor bridge and adjusts the output voltage and current values to the most suitable value for battery charging. The special software algorithm of the FLT Battery Charger decides the charging characteristics of the batteries and the DC voltage supply regime.

Battery charging parameters can be adjusted by the user in accordance with the recommended information by the battery manufacturer.
Charging is done automatically and without any operator intervention.





Float Charge / Boost Charge Function

Battery charging in FLT Battery Chargers starts in Boost Charge mode and with Constant Current function. When the battery voltage reaches its nominal value, the Constant Voltage function is activated.

Float Charge
 mode is activated when the battery charge current falls below 20% of the nominal value. The nominal output voltage is adjusted to Float Voltage. Float charge mode is a continuous operation mode in which DC loads are supplied and the nominal charge voltages of the batteries are maintained.

There is Manual Boost Charge option on FLT Battery Charger. In Manual Boost Charge mode, the nominal output voltage is adjusted to Boost Voltage. Boost charging continues for the Boost Charge Time determined by the Operator. At the end of the Boost charging period, it switches to Float Charge Mode.

Equalization / Commissioning Charge (optional)

Equalization charge / Commissioning charge feature can be added to FLT Battery Chargers optionally.

In the equalizing charge mode, the nominal output voltage is adjusted to the Equalizing Charge Voltage. Battery Charge Current is adjusted to the Equalizing Current. Equalizing charge starts with the Constant Current function. When the battery voltage reaches the Equalizing Charge Voltage the Constant Voltage function is activated. At the end of the Equalization Charge Time determined by the operator, it automatically returns to Float Charge mode.

Galvanic Isolation Transformer

The galvanic isolation transformer breaks the direct electrical connection between the Network installation and DC loads. This feature provides safe operation and detection of earth leakages in DC distribution installations. The secondary voltage of the isolation transformer is adjusted close to the DC output voltage. In this way, the thyristor controlled rectifier unit can produce the highest efficiency and stable DC voltage. The isolation voltage is 2.500V.

Earth Leakage Monitoring

FLT Battery Chargers have an Earth Leakage monitoring circuit. The isolation resistance between the DC output (+) and (-) terminals and the ground line is measured. In case of any DC leakage, the warning signal is activated.

Parallel Connection and Load Sharing (optional)

FLT battery chargers can be connected in parallel for redundancy and load sharing. Parallel connected FLT Battery Chargers share the output load. In case of failure, all loads are covered by a single device. There are load balancing inductors for equal load sharing. FLT battery chargers are suitable for parallel connection of 2 or 3 devices.

Production at All Industrial Voltages (optional)

FLT Battery Chargers are manufactured in all industrial input voltages.
3 Phase + with Neutral connection , 208VAC, 220VAC, 380VAC, 400VAC, 415VAC, 480VAC, 600VAC

The nominal operating voltage of the FLT Battery Chargers is determined at the time of order and cannot be changed later.

Battery Deep Discharge Protection (LVD) (optional)

FLT Battery Chargers have load disconnection unit for battery deep discharge protection. When the measured battery voltage falls below the LVD Voltage set by the operator, the LVD contactor cuts the load current. There is dry contact information and light signal for LVD protection.

Silicon Dropper Unit (optional)

Silicon Dropper unit can be added to FLT Battery Chargers to regulate the DC voltage on the load supply line. Silicon Dropper units that are designed in accordance with DC load parameters and customer demand can be used in 2 pcs or more. Silicon Dropper units are automatically activated and deactivated.

Automation Unit / Dry Contact Information (optional)

Dry contact information can be added to FLT Battery Chargers for connection to automation systems or for remote monitoring. Dry contact outputs: General Fault, Low Battery, Earth Leakage, Input Fault, Over-temperature, Overload, Input CB On/Off, Output CB On/Off, Battery CB On/Off

Remote Monitoring and Management

Ethernet Web Server (optional)

It is designed for remote monitoring over the network. It can be monitored and managed by connecting with an Ethernet cable. The remote management interface is designed as browser-based. It can be connected from any computer with a web browser. No additional software is required. With the remote management interface, all parameters of FLT Battery Chargers can be monitored and some parameters can be changed. There is 2-level password protection for accessing the remote monitoring interface.

MOD-BUS RTU (optional)

It is designed for monitoring and management via Mod-Bus. It can be monitored and managed by connecting with a cable. All parameters of FLT Battery Chargers can be monitored and some parameters can be changed with Mod-Bus protocol.

FLT Battery Chargers have an ergonomic and user-friendly Operator Panel designed for management and monitoring.

All operating parameters can be monitored from this panel and some operating parameters can be adjusted. There are 2-level password protection for parameter changing.

Monitorable parameters: Device Input Voltages, DC Output Voltage, Battery Voltage, Output Current, Battery Current, Operating Frequency, Charge Mode, Date-Time, Device Status Information, Fault and Error Codes.
Changeable Parameters: Float Charge Set Value, Boost Charge Set Value, Equalizing Charge Set Value, Output Current Set Value, Battery Charge Current, LVD Voltage, Manual Boost Charge Time, Communication Parameters, Date-Time Information.

1. LCD Display Operator Panel
  • 4 lines 20 characters LCD display
  • Mimic Diagram
  • Light indicators
  • 5 pcs selection and application buttons
  • 3 language options (on order)
  • Economical and long-lasting

2. Touch Screen Operator Panel (Optional)
  • 7” inch Color Display
  • Resistive Feature,
  • Backlight
  • Three Language Options (On Order)
  • Simple and Understandable Menu
Document Name
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