EX BATTERY CHARGER

Key features

• Highest Power density / Smallest footprint
• Galvanic Isolation between input and output
• Best in class THD
• Modular units for flexible N+1 or dual/triple redundant system configurations
• No maintenance by design (no replacement of parts during its lifetime)
• Suitable for installation in offshore/desert and other harsh environments
• Modular design and internal redundancy provides maximum availability
• Smart local and remote control and monitoring by Ex-d touchscreen (access with door closed)
• Natural cooling design optimizes reliability, not reliant on forced cooling
• Maximum safety with Ex-d and Ex-e enclosures

Performance characteristics

• Wide ambient temperature range,
  -40 to +55°C without derating
• Short circuit proof
• Automatic current limiting (adjustable)
• Battery bank condition monitoring with DC bus bar load management facilities
• Temperature charge voltage compensation
• Voltage drop compensation by battery voltage measurement devices on battery terminals

Physical characteristics

• Battery charger modules and DC distribution pre-assembled onto free standing support frame
• Incorporates DC distribution facilities with solid busbar design
• Different Ex enclosure configurations and support frame designs possible
• Degree of protection: IP66 minimum
• Available in front access aluminium alloy
  Ex-d enclosures pre-installed on floor mounted frames, stainless steel 316 Ex-d enclosures are optional
• Stainless steel 316 Ex-e enclosures
  pre-installed for easy bottom or top cable entry
• Orga standard or customer specific paint options

Standards/Certification

• Cenelec EN 60079-0, EN 60079-1 and
  EN 60079-7
• KEMA 02ATEX2103 X; ATEX [expr] II 2G Ex de llB T4-T6
• IEC 60079-0, IEC 60079-1 and IEC 60079-7
• IECEx KEM 09.0089X; Ex de IIB T4-T6
• ABNT NBR IEC 60079-0, ABNT NBR IEC 60079-1 and ABNT NBR IEC 60079-7 (optional)
• Inmetro NCC 16.0160 X (optional)

Electrical characteristic

• Wide nominal input voltage range:
  380 Vac – 440 Vac 3ph, 50-60 Hz
• Nominal system voltage: 24 Vdc
  (other voltages on request)
• Power rating: as per customer requirements (modular)
• Suitable to charge all major battery technologies (Nicad, VRLA, LA)
• Output protected from reverse current

Patent

• Netherlands: NL2019057 – granted
• Europe: EP3639357 – pending

System design, control and monitoring

• Ex certified touchscreen interface, with MIMIC panel, provides comprehensive measurement, indication and fault monitoring information on battery charger and battery on front of Ex-d enclosure
• The system controller can manage multiple battery charger modules, with dual redundant controller option available
• System controller records and stores key system status changes
• Serial communication facilities using Modbus and/or Webserver over Ethernet, via UTP (copper)
• Optional; Serial communication facilities using Modbus, via RS-485 (hardwired)
• Custom system setups and integrated AC and DC distribution available depending on client requirements
• Optional battery system pre-installed in separate Ex-e battery enclosure