Product detail

ZGR MIT NG
Charger - rectifier thyristor

ZGR MIT NG

High reliability charger - rectifier

ZGR MIT NG range, thanks to the robustness of its design, ensures a high-reliability continuous
current supply.

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Characteristics

ZGR MIT NG range consists of battery chargers – rectifiers of conventional thyristor technology, controlled by microprocessor, in single-phase and three-phase product versions.

ZGR has combined the proven reliability of thyristor technology with the microelectronics functionalities, offering the ZGR MIT NG range at a maximum level in terms of performance and features.

The ZGR MIT NG range ensures the user a quality continuous supply. ZGR’s wide experience in power electronics systems has allowed the design of a range of easily customizable equipment.

TECHNICAL SHEET
  • Galvanic isolation
  • Complete thyristor bridge
  • Automatic disconnection due to minimum battery voltage (LDV)
  • Voltage dropping device
  • Temperature and electrolyte level sensors
  • Hall effect current sensors
  • Customized output voltage filtering according to user specification
  • Thermomagnetic input protection
  • Overvoltage protection by varistors at input and output
  • Distribution adaptable to user requirements
  • Control and signalling • Battery voltage and load measurements • Charger, battery and load current measurements • Comprehensive monitoring and signalling of charger status • Local alarms with LCD and remote with relays • Communications and remote management gateway with the possibility of implementing different protocols: MODBUS, SNMP, etc
  • Battery management • Charge Ni-Cd (open) y Pb (open and sealed) • Battery and charger current limitation • Charging modes: » Ni-Cd and Pb open: flotation, fast charge, exceptional charge » Pb sealed: flotation, fast charge, automatic fast charge and manual charge

Technical sheet

TECHNICAL SPECIFICATIONS
Model ZGR MIT NG 1 ZGR MIT NG 3
INPUT ELECTRICAL CHARACTERISTICS
Nominal voltage 230V+10-15% (Single-phase) 400V+10-15% (Three-phase)
Frequency 50/60Hz±5%
Power factor 0,7~0,9 (bajo pedido)
OUTPUT INPUT ELECTRICAL CHARACTERISTICS
Nominal voltage 12/24/48/110/125/220V
Ripple voltage with batteries < 1%
Ripple voltage without batteries <2%
Ripple current in batteries ≤5%
Voltage stability ± 1/2 % (with/without battery)
Dynamic regulation < 2 % (10 – 90 % of charge)
Charger current limitation 100 % (up to 120 % optional)
Battery charge current limitation Configurable
Transfer time <300ms
COMMUNICATIONS
Monitoring Websever TCP/IP, control panel
Communications ModBus RS485
OTHERS
Active parallel Optional (up to 2 units)
Dry contacts 4 (8 optional)
Protections Overvoltage, over-temperature, current limitation, short-circuit, input/output high/low voltage
Cooling Natural convection
Working temperature 0 to 45 ºC (50 ºC on demand)
Protection degree IP 20 (on request up to IP54)
Noise level <63dBA
Operating altitude < 1000m without power loss (up to 4500 m on demand)
Relative humidity 0 - 95 % without condensation (up to 100% on demand)
STANDARDS
Marks CE
General directives EN 50178 (1998), EN 61000-6-4 (2001), EN 61000-6-2(2001), EN 61000-3-2, EN 61000-3-3, IEC 60146-1-1
Hybrid, robust and reliable solutions

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