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DC POWER-L

Thyristor rectifiers 10 A - 800 A

Charging systems for stationary batteries

Salicru’s DC power-L range of rectifiers/battery chargers, based on microprocessor-controlled thyristor technology, provides high-quality and reliable protection for critical DC loads.


The DC power-L series covers the range between 25 A and 800 A with outputs from 24 to 220 Vdc. The output accuracy is better than +/- 1% and the system is designed to charge open or sealed lead acid and nickel cadmium batteries.


All alarms, monitoring and status indicators (via display and LEDs) are managed through a digital control system. Each type of battery requires special charging characteristics, which are managed by the controller. The systems are completely customisable to the specific characteristics and needs of each client and application.


The robust design ensures that the installation requires low maintenance and can work for long periods without special attention.

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Application

DC power-L systems are designed to protect DC loads of maximum criticality and to operate with nickel cadmium or lead acid batteries in harsh and demanding operating environments, such as power plants, electrical substations, oil and gas pipelines, petrochemical plants, mines, railways, telecommunications facilities, hospitals, industrial plants, etc.

Aplicattion D-POWER-L - SALICRU

Performance

  • Microprocessor-controlled thyristor technology.
  • Galvanic isolation between input and output via transformer.
  • Complete six-pulse bridge.Ventilation by natural convection.
  • Standard DC output earth fault detection.
  • Electrolyte level detection for NiCd batteries (optional).
  • Charging states: floating, fast and exceptional.
  • Robust and compact design.
  • High power density.
  • Monitoring of all equipment parameters through LCD display.
  • Possibility of redundant parallel operation.
  • Operation with lead acid or nickel cadmium batteries.
  • Temperature-compensated float voltage.
  • Automatic disconnection in the event of minimum battery voltage or temperature.
  • Extensive configuration options.
  • High MTBF and low MTTR.
  • Easy installation, start-up and maintenance.

Interface

  1. Output voltage indicator.
  2. Input voltage fault indicator.
  3. Urgent alarm indicator (customisable).
  4. Non-urgent alarm indicator (customisable).
  5. LCD display with multiple languages.
  6. Navigation keys.
INTERFACE DC POWER L - SALICRU

Communications

  1. Slot for the SICRES telemagement or RS-232 interface.
  2. RS-485 serial ports. MODBUS communication protocol.
  3. Programmable relay (x6) interface.
  4. Battery temperature measurement input.
  5. NiCd electrolyte level detection input. (1)

(1) Only extended versiona   

Communications - D power L - SALICRU

Options

  • 12-pulse rectifier with isolation transformer.
  • Voltage drop diodes.
  • TCP/IP interface.
  • Filament resistance.
  • Output diodes for parallel operation.
  • Different types of batteries (SLA, lead acid, nickel cadmium, etc.).
  • Other degrees of protection.
  • Other input voltages on request.
  • Top cable entry.

Services

  • Pre and post-sales advice.
  • Multiple maintenance and telemaintenance options.

TECHNICAL SPECIFICATIONS

TECHNICAL SPECIFICATIONS - DC POWER L - SALICRU

RANGE

RANGE DC POWER L - SALICRU

Dimensions

Dimensions

Accesories

Other degrees of IP protection

Other degrees of IP protection - SALICRU

Adaptation of the cabinet’s protection against solid particles and water to the different degrees indicated in standard EN 60529.

Other input voltages

Other input voltages - SALICRU

Adaptability of the rectifier system to different input voltages of 3x380/400V or 220/230V.

Top cable entry

Top cable entry - SALICRU

To facilitate suspended ceiling, cable tray or aerial electrical installations, the power cable entry is on the top of the equipment.

Different types of battery (SLA, open lead, NiCd)

Different types of battery (SLA, open lead, NiCd) - SALICRU

The equipment enables charging of different types of battery and adjustment of each charging parameter, in particular, for each type of battery.

Output diodes for parallel operation

Output diodes for parallel operation - SALICRU

These enable two DC POWER systems to be connected in parallel, thereby preventing current return between them.

TCP/IP interface

TCP/IP interface - SALICRU

Ethernet/SNMP adapter.

12-pulse rectifier with isolation transformer

12-pulse rectifier with isolation transformer - SALICRU

Connection of two 6-pulse powered rectifiers out of phase by 30° through the addition of an isolation transformer producing a lower output voltage ripple and consumption with lower input current harmonic distortion.

Voltage drop diodes

Voltage drop diodes - SALICRU

Output voltage reduction unit.

Heating resistor

Heating resistor - SALICRU

A resistor located inside the equipment to prevent internal condensation.