Individual Phase Control of a Static Compensator for Load Compensation and Voltage Balancing and Regulation

Gueth, G.; Enstedt, P.; Rey, A.B.; Menzies, R.W.

doi:10.1109/mper.1987.5526892

Cited by 4 publications

(8 citation statements)

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“…This compensator consists of a three-phase circuit with Yn connection, the only one able to compensate the zero sequence components, and a three-phase circuit with ∆ connection respectively, the only one that can compensate the negative sequences currents of the load [9,28] (Figure 1). Obviously, both compensators can compensate the reactive components of the load positive sequence currents.…”

Section: The "Classic" Methods Of Sizing a Balancing Reactive Compensatormentioning

confidence: 99%

“…As a result of the Adaptive Balancing Compensator (ABC) action, the load-compensator assembly is seen from the network as a perfectly balanced equivalent load, which consumes only active power [16,26,28]. For the sizing of the six susceptances of the compensator, the analytical expressions are determined applying the conditions of simultaneous cancellation of the symmetrical current components with negative effects on the phases of the load-compensator assembly: the imaginary (reactive) component of the positive sequence current, the real and imaginary components of the negative and zero sequence current components [9] …”

Section: The "Classic" Methods Of Sizing a Balancing Reactive Compensatormentioning

confidence: 99%

“…For the sizing of the six susceptances of the compensator, the analytical expressions are determined applying the conditions of simultaneous cancellation of the symmetrical current components with negative effects on the phases of the load-compensator assembly: the imaginary (reactive) component of the positive sequence current, the real and imaginary components of the negative and zero sequence current components [9]:…”

Section: The "Classic" Methods Of Sizing a Balancing Reactive Compensatormentioning

confidence: 99%

“…They have a reactive character, with positive or negative values as the susceptances are inductive or capacitive. First, the expressions of the currents through the six susceptances of the compensator are determined by solving the equation system (1) [9,28]. But to get out of the indetermination, it must be completed by a sixth equation linking the unknowns, independent of the other five.…”

Section: )mentioning

confidence: 99%

“…This time the equation system (41) has a unique solution [9,12,15]. The susceptances of the ∆ compensator expressed depending on the conductances and on the susceptances of the equivalent load are determined with the relations [28]: …”

Section: )mentioning

confidence: 99%

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From the Balancing Reactive Compensator to the Balancing Capacitive Compensator

2018

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Nowadays, improving the power quality at the Point of Common Coupling (PCC) between the consumers' installations and the distribution system operators' installations depends more and more on the use of specialized equipment, able to intervene in the network to eliminate or diminish the disturbances. The reactive power compensators remain valid solutions for applications in consumer and electricity distribution, in those situations when the criterion regarding the costs of installing and operating the equipment is more important than the ones related to the reaction speed or the control accuracy. This is also the case of the equipment for power factor improvement and load balancing in a three-phase distribution network. The two functions can be achieved simultaneously by using an unbalanced static var compensator, known as an adaptive balancing compensator, achieved by adjusting the equivalent parameters of circuits containing single-phase coils and capacitor banks. The paper presents the mathematical model for the sizing and operation of a balancing reactive compensator for a three-phase four-wire network and then presents some resizing methods to convert it into a balancing capacitive compensator, having the same functions. The mathematical model is then validated by a numerical application, modelling with a specialized software tool, and by experimental laboratory determinations. The paper contains strong arguments to support the idea that a balancing capacitive compensator becomes a very advantageous solution in many industrial applications.

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Section: The "Classic" Methods Of Sizing a Balancing Reactive Compensatormentioning

confidence: 99%

Section: The "Classic" Methods Of Sizing a Balancing Reactive Compensatormentioning

confidence: 99%

Section: The "Classic" Methods Of Sizing a Balancing Reactive Compensatormentioning

confidence: 99%

Section: )mentioning

confidence: 99%

Section: )mentioning

confidence: 99%

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From the Balancing Reactive Compensator to the Balancing Capacitive Compensator

2018

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STATCOM converters and control: A review

Shinde¹,

Pulavarthi²

2017

2017 International Conference on Data Management, Analytics and Innovation (ICDMAI)

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Iterative Method for Determining the Values of the Susceptances of a Balancing Capacitive Compensator

2018

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To increase the electrical power quality, in the last decades, an intense development in the last decades of high-performance equipment built as advanced power electronics applications, such as the compensators from Switching Power Converter category, has taken place. For all that, Reactive Power Compensators (RPC) based on passive circuit elements, such as Static var Compensators (SVCs), still occupy a wide range of applications in customer and installations of the distribution system installations. The functions of power factor (PF) improvement and load balancing in a three-phase distribution network can be achieved with an unbalanced SVC, known as the Adaptive Balancing Reactive Compensator (ABRC). Presenting first the mathematical model of the initial sizing and the working mechanism of a Balancing Reactive Compensator (BRC) for a three-phase four-wire network, this article develops a compensator resizing algorithm through an iterative change of the initial sizing to transform the compensator into a Balancing Capacitive Compensator (BCC), which keeps the same functions. By using two computational and modeling software tools, a case study on the application of the method was carried out, demonstrating the availability of the sizing problem solution and validating the unbalanced capacitive compensation as an efficient way to PF improving and load balancing in a PCC (Point of Common Coupling).

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Individual Phase Control of a Static Compensator for Load Compensation and Voltage Balancing and Regulation

Cited by 4 publications

References 0 publications

From the Balancing Reactive Compensator to the Balancing Capacitive Compensator

From the Balancing Reactive Compensator to the Balancing Capacitive Compensator

STATCOM converters and control: A review

Iterative Method for Determining the Values of the Susceptances of a Balancing Capacitive Compensator

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