The HMC6 protection and power management controller is a standard power management system for marine applications. The system carries out generator control, supervision and protection functions. The power management functions are calculated by all diesel generator units, making the system a true multi-master system. One of the diesel generator units is internally defined as the "command unit". This unit is the one where start priority and other power management-related functions are calculated.

The system can handle up to 16 diesel generators to automatic synchronization and load sharing. Should the command unit fail, the power management calculations will automatically be transferred to the next available unit. The internal communication between the units is carried out via internal CANbus. This CANbus is intended for internal communication use only and cannot be connected to other external CANbus systems.

PERFORMANCE AND CHARACTERISTICS

● Dynamic synchronizing: detect the phase angle difference, voltage difference and frequency difference automatically to perform synchronization as soon as possible.

● Load sharing: schedule the start and stop of genset and share load equally automatically.

● Heavy consumer control: start the additional genset automatically if the power is not enough when the function is active.

● NEL trip: trip some non-essential load if over power condition occurs.

● Light load: the genset is still running if the load has fallen below the shutdown set value when the function is active.

● Multiple speed adjusting output ports, which including relay adjust speed output, voltage signal adjust speed output, and current signal adjust speed output;

● Multiple Voltage Adjusting output ports, which including relay adjust voltage output, voltage signal adjust voltage output, and current signal adjust voltage output;

● Fixed power output, which can be adjusted not only from the external voltage signal (±10V) for adjusting speed/voltage, but also from configuring fixed power output or fixed power factor output;

● Safety mode: reserve an additional unit running on load;

● Control engine to start/stop;

● Reserved running gensets: minimum number of loading gensets on the BUS bar;

● Suitable for 3-phase 4-wire, 3-phase 3-wire, single phase 2-wire, and 2-phase 3-wire systems with frequency 50/60Hz;

● PLC function: control logic can be defined by users as their requires;

● Selectable start mode: cyclic start; linear start; duty time start;

● Selectable scheduled start mode: it is can be chose according to the two ways including genset power percentage and left power;

● 3-class password protection: containing two user-defined passwords for protecting user-defined configuration parameters, which means users can configure parameters within the permission field;

● 480x272 LCD with backlight, multilingual interface (including English, Chinese and other languages) which can be chosen at the site, making commissioning convenient for factory personnel;

● Parameter setting: parameters can be modified and stored in internal FLASH memory and cannot be lost even in case of power outage; most of them can be adjusted using front panel of the controller and all of them can be modified using PC via USB or RS485 ports;

● Event Log：Maximum 99 pieces of trip alarms, trip and stop alarms can be saved in chronological sequence in internal memory, which means that they will not be lost in case of power off.

Technical Parameters