Role of Battery Energy Storage System in Transient Stability
Added on 2022-10-09
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Running head: ROLE OF BATTERY BANK IN TRANSIENT STABILITY
Role of Battery Energy Storage System in Transient Stability
Name of the Student
Name of the University
Author Note
Role of Battery Energy Storage System in Transient Stability
Name of the Student
Name of the University
Author Note
ROLE OF BATTERY BANK IN TRANSIENT STABILITY
1
Synchronous generators (SG) and large rotating turbines in the conventional power
systems have a severe impact on stability requirement with inertia and damping effect. The
whole power generating system is acknowledged to be transiently stable only when it has the
ability to recover its stability after a large disturbance (Zhou et al. 2013). Battery energy
storage systems (BESS) or battery banks are generally operated to store the extra power when
the power requirement is low. However, this battery system when followed with proper
charging and discharging schemes, can enhance the transient frequency stability of a power
grid and keep the transient fault disturbances to minimal. The following sections of the paper
will analyse the role of battery bank or BESS in maintaining transient stability of power
delivering systems.
Continuous developments in the power electronics technologies are benefitting the
improved controllability of voltage and power flow and enhancing the power transfer
capability. Battery Energy Storage Systems (BESS) can improve power transfer capability by
improving stability and voltage. This significantly provides rapid and smooth reactive power
compensation for enhancing the damping of transient stability and power oscillations and for
voltage support (Greenwood et al. 2017). Battery systems with usage of a nonlinear
controller can increase the transient frequency stability of the power grid, as such systems
rely on the voltage-supply converter and are operated as regulating device, which absorbs and
deliver active/reactive power synchronously.
Battery energy storage systems absorb power when in abundance and deliver real
power to the network in the situation of emergencies or technical issues. Inverter-based DG
(Distribution Generation) has high penetration levels, which decreases the inertia of the
power systems and thus, affect the transient frequency stability. Owing to continuous
functioning outside the state of equilibrium, batteries are considered dynamic, amid their
cycle of charge and discharge. To keep the system in balance during disturbances, BESS can
1
Synchronous generators (SG) and large rotating turbines in the conventional power
systems have a severe impact on stability requirement with inertia and damping effect. The
whole power generating system is acknowledged to be transiently stable only when it has the
ability to recover its stability after a large disturbance (Zhou et al. 2013). Battery energy
storage systems (BESS) or battery banks are generally operated to store the extra power when
the power requirement is low. However, this battery system when followed with proper
charging and discharging schemes, can enhance the transient frequency stability of a power
grid and keep the transient fault disturbances to minimal. The following sections of the paper
will analyse the role of battery bank or BESS in maintaining transient stability of power
delivering systems.
Continuous developments in the power electronics technologies are benefitting the
improved controllability of voltage and power flow and enhancing the power transfer
capability. Battery Energy Storage Systems (BESS) can improve power transfer capability by
improving stability and voltage. This significantly provides rapid and smooth reactive power
compensation for enhancing the damping of transient stability and power oscillations and for
voltage support (Greenwood et al. 2017). Battery systems with usage of a nonlinear
controller can increase the transient frequency stability of the power grid, as such systems
rely on the voltage-supply converter and are operated as regulating device, which absorbs and
deliver active/reactive power synchronously.
Battery energy storage systems absorb power when in abundance and deliver real
power to the network in the situation of emergencies or technical issues. Inverter-based DG
(Distribution Generation) has high penetration levels, which decreases the inertia of the
power systems and thus, affect the transient frequency stability. Owing to continuous
functioning outside the state of equilibrium, batteries are considered dynamic, amid their
cycle of charge and discharge. To keep the system in balance during disturbances, BESS can
ROLE OF BATTERY BANK IN TRANSIENT STABILITY
2
play a crucial role with its technical impact on power distribution systems. BESS can increase
transmittable power by enhancing or reducing the power transmission ability when the
machine angle increases or decreases (Li, Hui, and Lai 2013). Literature review of previously
conducted researches shows that the mainstream of the voltage fluctuation glitches are
mitigated with the application of BESS.
The stable state of system frequency is established with the consumption of the
system load, along with distribution and transmission losses, which is equal to active power
produced by the synchronous generators. Moreover, when the power systems are fully
capable of maintaining the synchronism of power distribution after sudden & significant
disturbances, then they are called to be transiently stable power systems. The common
reasons for such kind of disturbances are switching ON/OFF surges in Extra High Voltage
(EHV) transmission systems, application or clearing of faults and turbine supplying extra
energy to the system during faults.
To increase the transient stability of a power generating system, the cause as
mentioned above of faults need to be eliminated. Battery energy storage systems can help
store the extra energy supplied by the rotating turbines in the case of faults and prevent the
system from getting loaded due to extra energy (Lawder et al. 2014). In charging mode, the
batteries increase the kinetic energy of synchronous machines, which increases the power to
satisfy demand. According to research conducted by Bangash, Farrag and Osman (2019), the
result shows that battery systems eliminate the need for disconnecting the DG and quickly
help to recover the system back. Disconnecting DG lowers the system frequency and
deteriorates the conditions further; thus, the battery systems prove to be positively engaging
in this regard.
2
play a crucial role with its technical impact on power distribution systems. BESS can increase
transmittable power by enhancing or reducing the power transmission ability when the
machine angle increases or decreases (Li, Hui, and Lai 2013). Literature review of previously
conducted researches shows that the mainstream of the voltage fluctuation glitches are
mitigated with the application of BESS.
The stable state of system frequency is established with the consumption of the
system load, along with distribution and transmission losses, which is equal to active power
produced by the synchronous generators. Moreover, when the power systems are fully
capable of maintaining the synchronism of power distribution after sudden & significant
disturbances, then they are called to be transiently stable power systems. The common
reasons for such kind of disturbances are switching ON/OFF surges in Extra High Voltage
(EHV) transmission systems, application or clearing of faults and turbine supplying extra
energy to the system during faults.
To increase the transient stability of a power generating system, the cause as
mentioned above of faults need to be eliminated. Battery energy storage systems can help
store the extra energy supplied by the rotating turbines in the case of faults and prevent the
system from getting loaded due to extra energy (Lawder et al. 2014). In charging mode, the
batteries increase the kinetic energy of synchronous machines, which increases the power to
satisfy demand. According to research conducted by Bangash, Farrag and Osman (2019), the
result shows that battery systems eliminate the need for disconnecting the DG and quickly
help to recover the system back. Disconnecting DG lowers the system frequency and
deteriorates the conditions further; thus, the battery systems prove to be positively engaging
in this regard.
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