Migrating electrical power network SCADA systems to TCP/IP and Ethernet networking

2002 ◽  
Vol 16 (6) ◽  
pp. 305-311 ◽  
Author(s):  
Kwok-Hong Mak ◽  
B.L. Holland
Keyword(s):  
Electrical Power ◽  
Power Network ◽  
Scada Systems

scholarly journals Prospective Smart Distribution Substation in Bangladesh: Modeling and Analysis

2021 ◽  
Vol 13 (19) ◽  
pp. 10904
Author(s):  
Abdul Hasib Siddique ◽  
Mehedi Hasan ◽  
Sharnali Islam ◽  
Khalid Rashid
Keyword(s):  
Distributed Generation ◽  
Fossil Fuel ◽  
New Technology ◽  
Electrical Power ◽  
Electrical Network ◽  
Power Network ◽  
Major Focus ◽  
Modeling And Analysis ◽  
Generation Structure ◽  
Smart Substation

Being one of the fastest-growing economies in the world, Bangladesh needs to upgrade its electrical network and aim to reduce dependency on fossil fuel-based energy. For the aging and ever-expanding power network, it is necessary to have a smart substation in order to provide reliable, affordable, and sustainable electrical power. As Bangladesh is looking to integrate Distributed Generation (DG) in the power system, it is high time to think about integrating a smart distribution substation into its power network. In this paper, an investigation of the current power generation structure of Bangladesh was conducted and is described. The major focus was given to the upgradation of the existing substation and distribution setup of Bangladesh by providing suitable architectures, technologies, and communication protocols. Detailed studies of Bangladesh’s prospects to incorporate the new technology and renewable energy into its power network are discussed. ETAP was used to simulate the prospective system to show the feasibility of the prospective smart distribution substation in Bangladesh’s power network.

Subsynchronous Resonance in Independent Energo with Distributed Semiconductoring Load

2015 ◽  
Vol 792 ◽  
pp. 215-219
Author(s):  
Egor Olegovich Orel ◽  
Vladimir Nikolaevich Anosov ◽  
Vladimir Mikhaylovich Kaveshnikov
Keyword(s):  
Power Systems ◽  
Electrical Power ◽  
Power Network ◽  
Radial Vibrations ◽  
Similar Frequency ◽  
Subsynchronous Resonance ◽  
Asynchronous Motors ◽  
Autonomous Power Systems ◽  
Autonomous Power System ◽  
Load Angle

A subsynchronous eleсtromechanical resonance in autonomous power systems is caused by the coincidence of the natural frequency of power network and one of the natural frequencies of turbogenerator unit in the electrical power plant. The occurrence and development of subsynchronous resonance causes subsynchronous oscillations of generators rotors, which are dangerous for shaft elements of turbogenerator units. Besides that, load angle oscillations having small amplitude under frequencies of 10-15 Hz create radial vibrations in bearing supports of turbogenerator units. The vibrations cause the emergency disconnection by vibration protection. In this paper the feature of subsynchronous resonance development in autonomous power system is present in the load power uncontrolled asynchronous motors and a large amount of similar frequency-controlled asynchronous various power drives through numerical simulations are discussed.

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