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5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

National Technical University of Athens, School of Naval Architecture& Marine Engineering Division of Marine Engineering 9 Heroon Politechniou st., 15773 Zografou, Greece

Establishing a Power Quality Monitoring System On Board S.Dallas A.Skoufis S.Giannoutsos A.Charitopoulos J.Prousalidis


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Electric Power Quality (PQ) problems in Ship Electric Energy Systems (DEFKALION)

Project Coordinator:

Dr. John Prousalidis, Associate Professor

External Evaluation Committee:

Mr. P. Leontis, Intership Maritime Professor C. Hodge, BMT Defense Dr. A. Greig, UCL Dr. O. Nayak, Nayak Corporation Dr. R. Bucknall, UCL


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Electric Power Quality (PQ) problems in Ship Electric Energy Systems (DEFKALION)

Project Coordinator:

Dr. John Prousalidis, Associate Professor

Research Activities: •  Investigation of PQ problems due to shaft generator operation •  Investigation of PQ problems due to thruster operation •  Investigation of PQ problems due to pod operation •  Analysis of impact of earthing (grounding) on PQ phenomena •  Analysis of PQ phenomena due to lightning strikes •  PQ Measuring and Monitoring System


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Power Quality Issues in an AES due to: q  Starting Currents of High Load Motors (Thruster) q  Electric Propulsion (High Power Consumption from Pods) q  Different operating voltages (400 V - 6.6 kV) and frequencies (50 Hz 60 Hz) q  Starting – Stopping of Various Loads (pumps, fans, etc)

Power Quality Optimization through Monitoring & Recording


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Electric Power Quality (PQ) problems in Ship Electric Energy Systems (DEFKALION)


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Power Quality Optimization through Monitoring & Recording G4K BLACKBOX Device: G4420 BLACKBOX: SPG-4420-0000


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Power Quality Optimization through Monitoring & Recording


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Power Quality Optimization through Monitoring & Recording Voltage Connection 5 wire terminal (3 for each phase, 1 ground, 1 neutral)

Current Connection 6 apertures (3 for each phase, 1 additional current input, 1 neutral, aperture No. 6 is disabled)


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Power Quality Optimization through Monitoring & Recording G4K BLACKBOX Power Topology 1.  2.  3.  4.  5. 

Single LN Configuration Single LL Configuration 2Phase TR Delta 3 wires (incl. Delta High Leg – Delta Open Leg) WYE 4 Wires (incl. Three Wire WYE)

Delta 3 wires


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Power Quality Optimization through Monitoring & Recording CURRENT MEASUREMENTS For the purpose of these measurements 9 current transformers were used, 6 with a ratio equal to 500/1 and 3 with a ratio equal to 250/1

500/1 current transformers

250/1 current transformers


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Power Quality Optimization through Monitoring & Recording Voltage Configuration

Current Configuration


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Power Quality Optimization through Monitoring & Recording Online Monitoring

ELSPEC G4420 can provide online: §  Voltage waveforms (LL-LN) monitoring §  Current waveforms monitoring


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Power Quality Optimization through Monitoring & Recording Online Monitoring

ELSPEC G4420 can provide online: §  Voltage phasors monitoring §  Current phasors monitoring


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Power Quality Optimization through Monitoring & Recording Measurements processing ELSPEC INVESTIGATOR It is a Client Application: •  Communicates with PQSCADA server system •  Receives and display data from PQSCADA server system •  The communication uses standard HTTP and FTP protocols


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Power Quality Optimization through Monitoring & Recording Installation process E/R VENTILATION FAN

Current Transformers

ELSPEC G4420


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Power Quality Optimization through Monitoring & Recording Installation process C.S.W. PUMP Current Transformers Router ELSPEC G4420


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Power Quality Optimization through Monitoring & Recording Installation process LUMP OIL PUMP ELSPEC G4420

Current Transformers


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Data Acquisition / Network (1)


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Data Acquisition / Network (2)

•  The Black Box devices have ethernet ports (wired communication) •  Converted to wireless using wifi-router •  (the notebook computer connects wirelessly to the router, the black boxes are connected with ethernet cables)


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Data Acquisition / Network (3) •  A completely wireless solution was also developed, using micro-wifi routers (acting as wireless clients) •  USB powered, 5x5cm footprint, can be powered by the Black Box (since it has a usb port) •  Hybrid wired-wireless topologies can be used


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Data Acquisition / Communications Software - Protocols •  Realtime monitoring and configuration / administration via HTTP (web browser) •  Acquisition of data using PQSCADA software (acquires stored data using FTP) •  (The unit can run autonomously for more than 1 week, 8gb internal storage) •  Data analysis using Elspec Investigator software •  A small netbook was used for data acquisition / monitoring, wirelessly connected to the router (smaller space footprint / no communication cables) •  Time synchronization using SNTP protocol (the acquisition computer is used as a time server)


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

AKNOWELEDGMENTS

•  THENAMARIS Ships  Management  INC    

•  ROTECH Engineering  LTD  (Equipment  of  ELSPEC  G4420-­‐InstrucHons)  

•  The Captain  and  the  Crew  of    M/T  SEASCOUT   This research has been co-financed by the European Union (European Social Fund – ESF) and Greek national funds through the Operational Program "Education and Lifelong Learning" of the National Strategic Reference Framework (NSRF) - Research Funding Program: THALES: Reinforcement of the interdisciplinary and/or inter-institutional research and innovation  


5th &  6th  MARINe  Electrical  Ini4a4VE  (MARINELIVE)  Interna4onal  Workshop  on  Ship  Electric  Grids  and  Power  Management  Systems    

Thank you for your attention!

1. Establishing a Power Quality Monitoring System onboard  
1. Establishing a Power Quality Monitoring System onboard  
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