Improving the accuracy of the active power load sharing in paralleled generators in the presence of drive motors shaft speed instability


  • Abdullah Eial Awwad Tafila Technical University
  • Alaa Al-Quteimat Tafila Technical University
  • Mahmoud Al-Suod Tafila Technical University
  • O.O Ushkarenko Admiral Makarov National University of Shipbuilding, Mykolaiv, Ukraine
  • Atia AlHawamleh Tafila Technical University


The paper suggests an improved method of active power distribution among the gas-diesel generators operating in parallel; the method involves the control of torque and the angular positions of their rotors. The use of the suggested approach to the solution of the active power distribution task in the presence of instability of drive motor speed provides the increase of autonomous power system operation efficacy and rising the power unit’s performance. The authors analyzed the causes of generation of low-frequency fluctuations of generator drive engine speed; in autonomous electric power systems, gas diesel generators are increasingly used as such generator drive engines. It is suggested to use the developed method and structure of the optical device for control of rotation period and the measurement of the generator rotor angle position characterized with high accuracy, as the sensor. The authors developed a schematic diagram of active power distribution among the generators operating in parallel, which uses the cross feedback for gas-powered diesel engine shafts momentum and the generator rotor angle position. They obtained experimental results confirming the efficiency of the suggested active power distribution method and its practical implementation.


Kamala, Srinivasarao, Chauhan, Priyesh, Panda, Sanjib, Wilson, Gary, Liu, Xiong, & Gupta, Amit. (2015). Optimal scheduling of diesel generators in offshore support vessels to minimize fuel consumption. In Proc. of the IECON 2015 - 41st Annual Conference of the IEEE Industrial Electronics Society. Yokohama, Japan, 4726–4231. doi: 10.1109/IECON.2015.7392838

Prousalidis, J.M., Tsekouras, G.J., & Kanellos, Fotis. (2011). New challenges emerged from the development of more efficient electric energy generation units. In Proc. IEEE Electric Ship Technologies Symposium (ESTS). Alexandria, Virginia, 374–381. doi: 10.1109/ESTS.2011.5770901

Boretti, Alberto. (2019). Advantages and Disadvantages of Diesel Single and Dual-Fuel Engines. Frontiers in Mechanical Engineering, 5 (64), 1–15. doi: 10.3389/fmech.2019.00064

Ryabenkij, V. M., Ushkarenko, A. O., & Voskoboenko, V. I. (2008). Issledovanie avtokolebatelnykh proczessov chastoty napryazheniya gazodizel-generatorov. Sbornik nauchnykh trudov NUK, 4, 113–118.

Evangelos G., Giakoumis. (2016). Review of Some Methods for Improving Transient Response in Automotive Diesel Engines through Various Turbocharging Configurations. Frontiers in Mechanical Engineering, 2, 1–18. doi: 10.3389/fmech.2016.00004

Ryabenkij, V.M., Ushkarenko, A.O., & Voskoboenko, V.I. (2009). Oczenka neravnomernosti raspredeleniya aktivnoj moshhnosti mezhdu generatorami pri parallelnoj rabote. Tekhnichna elektrodinamika, Tem. Vipusk, 3, 76–79.

Adem, Celika, Mehmet, Yilmazb, & Omer Faruk, Yildizc. (2020). Improvement of diesel engine startability under low temperatures by vortex tubes. Energy Reports, 6, 17–27. doi: 10.1016/j.egyr.2019.11.027

Ra, Youngchul, Reitz, Rolf, Mcfarlane, Joanna, & Daw, Stuart. (2008). Effects of Fuel Physical Properties on Diesel Engine Combustion Using Diesel and BioDiesel Fuels. SAE International Journal of Fuels and Lubricants, 1, 703–718. doi: 10.4271/2008-01-1379

Yasin, Karagoz, Tarkan, Sandalci, Umit O, Koylu, Ahmet Selim, Dalkilic, & Somchai, Wongwises. (2016). Effect of the use of natural gas-diesel fuel mixture on performance, emissions, and combustion characteristics of a compression ignition engine. Advances in Mechanical Engineering, 8 (4), 1–13. doi: 10.1177/1687814016643228

Yoshihiko, Oishi, Riky Stepanus, Situmorang, Rio Arinedo, Sembiring, Hideki, Kawai, & Himsar, Ambarita. (2019). Performance, rate of heat release, and combustion stability of dual fuel mode in a small diesel engine. Energy Science and Engineering, 7, 1333–1351. doi: 10.1002/ese3.352

Irfan, Muhammad, Ermanu, A.H., Suhardi, Diding, Kasan, N., Effendy, Machmud, Pakaya, Ilham, & Faruq, Amrul. (2018). A design of electrical permanent magnet generator for rural area wind power plant. International Journal of Power Electronics and Drive Systems, 9, 269–275. doi: 10.11591/ijpeds.v9n1.pp269-275

Boonyang, Plangklang, Sittichai, Kantawong, & Akeratana, Noppakant. (2013). Study of Generator Mode on Permanent Magnet Synchronous Motor (PMSM) for Application on Elevator Energy Regenerative Unit (EERU). Energy Procedia, 34, 382–389. doi: 10.1016/j.egypro.2013.06.766

Aleksandr, Ablesimov, & Yatskovsky, V. (2013). Stability of automatic control systems. Electronics and Control Systems, 4 (38), 54–59. doi: 10.18372/1990-5548.38.7278

Cheikh, Mansoura, Abdelhamid, Bounifa, Abdelkader, Arisa, & Françoise, Gaillardb. (2001). Gas-Diesel (dual-fuel) modeling in diesel engine environment. International Journal of Thermal Sciences, 40 (4), 409–424. doi: 10.1016/S1290-0729(01)01223-6

Ryabenkiy, V., & Ushkarenko, O. (2012). Optimization of the Controller`S Parameters of the Gas-diesel Generator Unit. In Proc. International Conference Modern Problems of Radio Engineering, Telecommunications, and Computer Science (TCSET’2012). Lviv, Ukraine, 460–461.

Haes Alhelou, Hassan, Hamedani, Golshan, Mohamad, Esmail, Njenda, Takawira, & Siano, Pierluigi. (2019). A Survey on Power System Blackout and Cascading Events: Research Motivations and Challenges. Energies, 12, 1–28. doi: 10.3390/en12040682.

Ryabenkiy, V., Ushkarenko, A., & Al-Suod, Mahmoud Mohammad. (2012). Reduction of Frequency Oscillation of the Gas-diesel Generator Units. In Proc. International Conference Modern Problems of Radio Engineering, Telecommunications, and Computer Science (TCSET’2012). Lviv, Ukraine, 447–448.

Mahmoud Mohammad Salem, Al-suod, Ushkarenko, A.O., & Dorogan, O.I. (2015). Optimization of the structure of diesel-generator units of ship power system. International Journal of Advanced Computer Research, 5 (18), 68–74.






Power, Industrial Electronics