H869 - HV Power Distribution System - ZS1 Unigear

The goal of this course is to train the participants in the safe operation, control, configuration, troubleshooting and maintenance of ABB Marine HV (>1 kV) air-insulated switchgear, circuit breakers and protective relays.

Learning objectives

Upon completion of this course the participants will be able to:

  • Locate hardware components.
  • Verify and replace switchgear apparatus.
  • Perform preventive maintenance.  
  • Students get hands-on practical with Local HMI, Web HMI and PCM600, a programming and configuration tool with actual REF615 and REF630 relays.


  • Function description for ABB HV switchboards
  • Hardware
    - Unigear ZS1
    - Circuit breakers HD4, VD4 & Vmax
    - Vacuum V contactor
    - Relion protective relays
  • Operation
    - Operation and maintenance of Unigear ZS1
    - Practical on circuit breakers and contactors
  • Relion relay practical hands-on
    - LHMI (front-panel user interface)
    - WHMI (web browser based user interface)
    - PCM600 (programming and configuration tool)
  • Fault-tracing and troubleshooting
  • Interpret alarms and fault messages
  • Reset trip and block signal
  • Trace digital input signals to protective relays


  • Classroom lectures.
  • Demonstration and practical lessons on our training switchgear.

Course outline

General Information

Duration: 4 days
Venue: Singapore
Genoa, Italy
Houston, USA
Helsinki, Finland
Beijing or Xiamen, China
Rotterdam, Netherlands

Marine Power Plant Basic for Technical Staff in ABB propulsion and Marine High Voltage Safety course or similar knowledge is advisable

Additional information: Minimum 6, maximum 8 participants
On-site training is available on request
Student profile:

Marine engineers and electro-technical personnel at operational and management level

Download: Course description as a pdf
Certification: This course has been certified in accordance with "DNV Standard for Certification of Learning Programmes - 3.201"

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