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Products


PWR33 MODEL 380-400VAC / 110VDC 120A BATTERY CHARGER

INDUSTRIAL BATTERY CHARGER PROPERTIES
» 16-Bit DSP control
» Graphic LCD screen
» 5 control buttons
» 5% low ripple swing
» Dry contact alarm outputs for Scada
» Programmable Boost (fast) charging algorithm
» Programmable Float charging algorithm
» Programmable battery maintenance
» Instant viewing of input-output-battery voltages and currents
» Rectification technology with transformer and thyristor
» Both current and voltage control
» Output voltage regulation with 2-stage Dropper diode unit
» Access from the front and sides
» Input voltage tolerance ± 20% 3-phase 380/400 VAC
» Input frequency 50 Hz ± 5%
» Input surge arrester and fuse protection
» Current and voltage multimeters for input and output batteries other than LCD
» Output voltage 110VDC nominal
» Overtemperature protection
» Overload protection
» DC+ and DC - leakage protection
» Output short circuit protection
» Status indicator LEDs
» Optional high IP protection
» Extra security with double protection door
» Emergency stop button
» Mimic diagram

Product Information

WHAT ARE INDUSTRIAL RECTIFIERS - BATTERY CHARGERS?
Rectifier Products are used in utility HV (High Voltage), MV (Medium Voltage) and LV (Low Voltage) energy control and automation systems to meet the needs such as relay control, breaker control, communication, automatic control and emergency lighting in case of power cut or recovery. These are products designed to be battery supported.
HOW DOES INDUSTRIAL RECTIFIER WORK?
Industrial Rectifiers takes 1 Phase or 3 Phase AC mains energy, reduce it to the desired level with the help of Stepdown transformer, and at the same time provide the necessary energy to the thyristor circuits in the rectifier circuit by providing galvanic isolation. The DC energy coming out of the rectification unit is filtered and converted into smoother and cleaner DC energy.
With the help of the rectifier software, this DC energy charges the batteries according to float-boost-equalizing charging modes and provides the necessary continuous energy to DC loads.
In case of grid power failure, it provides all of its DC energy needs from the batteries. Batteries continue to supply DC loads for a pre-calculated period of time (such as 4,6,8,12 hours) in accordance with the programmed discharge level. When the grid is restored, the discharged batteries begin to recharge.
WHERE ARE INDUSTRIAL RECTIFIERS - BATTERY CHARGERS USED?
» In power plants (Hydro, Thermal, Wind, Geothermal, Biomass, Natural Gas, etc.)
» HV High voltage transmission and downcomer centers
» MV Medium voltage transformers and distribution centers
» Metro stations energy control centers
» In control and command centers of all kinds of pipeline stations
» DCS, Scada automation systems
WHY ARE THERE 24, 48, 110, 220 VDC TYPES?
The coil control voltage of electrical equipment such as relays and breakers that industrial rectifiers will control is designed at different voltages by different manufacturers.
Generally, low voltage 24VDC rectifier is used for low power consuming DC loads.
Since it is designed as 48Vdc, 110Vdc and 220Vdc to make compact designs at lower currents for DC control equipment that draws higher power-current, the rectifier design is also installed in accordance with this DC voltage.
HOW TO SIZING RECTIFIER BATTERIES?
In industrial rectifiers, battery types can sometimes be lead acid or Nickel-Cadmium type depending on need, sometimes preference, and sometimes specifications.
While OPZV tubular plate batteries are preferred in instant high current needs, OPZS and VRLA types are preferred in systems that require a long discharge time. Ni-Cd batteries can be preferred where high performance for many years and less temperature effects are desired.
When calculating battery capacities, the required DC energy is determined by extracting the load profile (current and duration information) and using the IEEE battery calculation method.
IN WHICH CASES ARE RECTIFIERS USED AS REDUNDANT BACKUP?
Especially in facilities where power outages may lead to critical consequences, in case one of the one of rectifier fails, it is preferred to use the other rectifier-battery set in parallel with backup to continue to supply DC energy needs without interruption.

Product Documentation

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