Imark HR hybrid regulators

Wednesday, 29 June, 2011 | Supplied by: Imark Communications

The Imark HR hybrid regulators are suitable for use with remote area power systems. They accept inputs from both wind turbines and photovoltaic arrays simultaneously, and are designed to charge and manage battery banks. They readily integrate with RAPS inverters.

The regulators are pulse width modulation shunt regulators for efficiency and use heavy-duty low-loss diodes and MOSFET power components. There are three models available for 48, 120 and 240 VDC (nominal) systems with nominal power capabilities of 6, 12 and 16 kW. A 160 A blocking diode is provided on the PV input and a 200 A three-phase rectifier is provided on the wind input.

The Imark SR solar regulators have LEDs to show system operational status and illuminated panel meters show battery voltage, charge current, battery temperature, wind input and photovoltaic input current. The battery overvoltage protection circuit and the heatsink overtemperature protection will both trip the heavy-duty PV input circuit breaker if the respective settings are exceeded.

Substantial surge protection is included on the PV inputs as well as the wind inputs, with status indication on the front panel. Heavy-duty binding posts on the rear panel allow easy wind, PV, battery, load dump and earth connections. Multiway interface connectors are also provided for easy connection of the battery temperature sensor or external interfacing with other equipment. Apart from activating the load dump contactors, as and when required, these regulators also provide an output (on the multiway connector) that can be used to control a PLC (or similar), which in turn may activate household air conditioners, heaters, water pumps and the like in an energy-efficient manner.

The solar regulators are housed in a 19” 6RU cabinet, which can be either wall or rack mounted. The cabinet design includes a fan-forced cooling chamber to provide efficient cooling. The float, charge or boost charge settings can be set from the front panel while the charging status is also displayed on the front panel. Internal link selection for flooded or gel batteries is provided.

Phone: 03 9329 5433
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