Rishabh K Gupta
PRESENT STATUS:
Senior Engineer- Electrical
Power Transmission & Distribution IC (International),
LARSEN & TOURO SAUDI ARABIA LLC,
KINGDOM OF SAUDI ARABIA.
Senior Engineer- Electrical
Power Transmission & Distribution IC (International),
LARSEN & TOURO SAUDI ARABIA LLC,
KINGDOM OF SAUDI ARABIA.
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directly taken from the atmosphere and mixed with the fuel to produce electrical energy, hence the ambient temperature of the air (atmosphere) is an important factor on which the power output of a gas turbine depends. The temperature control of the gas turbine is also important for preventing the excess rise in the temperature of the gas turbine. In this paper the effect of ambient temperature and temperature control on the performance of the output response of the gas turbine has been studied using the practical data from a combined cycle plant when the turbine was being operated at base load. Graphs have been plotted and analyzed on the basis of data obtained."
rate; firstly due to wastage of power at consumer end, secondly due to inefficiency of various power system
components. A Combined Cycle Gas Turbine (CCGT) integrates two cycles- Brayton cycle (Gas Turbine) and Rankine
cycle (Steam Turbine) with the objective of increasing overall plant efficiency. This is accomplished by utilising the
exhaust of Gas Turbine through a waste-heat recovery boiler to run a Steam Turbine. The efficiency of a gas turbine
which ranges from 28% to 33% can hence be raised to about 60% by recovering some of the low grade thermal
energy from the exhaust gas for steam turbine process. This paper is a study for the modelling of CCGT and comparing
it with actual operational data. The performance model for CCGT plant was developed in MATLAB/Simulink.
development of the modern society. With the ever increasing demand in electricity
more efficient plants are required. Combined cycle plants are the most fuel-efficient
plants capable of providing efficiency exceeding 58% compared to steam and gas
power plants alone whose efficiencies are limited to 35-42% and around 30%
respectively. Modern combined cycle plants are operated in combined cycle gas
turbine (CCGT) configuration in which the exhaust of the gas turbine is utilized to
produce the steam to carry out the steam turbine process. Combined Cycle Gas
Turbines, because of their quick startup time provide high operational flexibility for
adjusting the load output faster and load predictability therefore modeling of gas
turbines, which produces about two-third of the total power output of the CCGT,
becomes important. Several models of gas turbines have been proposed but none of
them is able to fully explain the behavior of a gas turbine. The following report
presents an initial and preliminary effort in modeling of single shaft combined cycle
gas turbine using MATLAB/Simulink describing various controlling units in the
operation of CCGT. Various studies have been carried out using this Simulink model
so as to describe the behavior of various parameters by varying gas turbine conditions
and also the variation in the efficiency of CCGT overall process is studied when the
gas turbine efficiency is varied. Furthermore, the effect of the temperature control
using practical data has been studied by plotting various graphs and examining them.
The project applies Ohms law that is when a low Direct Current voltage is applied at the feeder end through a series resistor (Cable lines), then the current would vary as a function of the location of fault in the cable. The project is assembled with a set of resistors representing the equivalent circuit of a 3-phase cable and fault creation is made by a set of limit switches at known distances to cross check the accuracy.
for many centuries. But, however there is a new interest in renewable sources such as
those derived from wind power, hydro-power etc. These are more universally available
and they can potentially help with global warming by reducing the carbon footprint.
Then, there is a third kind of energy source based on photovoltaic conversion of sunlight
into electricity by certain widely available semiconductors, which is arguably the
cleanest, most ubiquitous, and potentially the most reliable alternative. The following
report presents the analyses of the characteristics of solar panel through detailed analysis
of the characteristics by using MATLAB simulation and plotting various graphs for the
same. A CCGT-Generator model along with Solar panel’s is modeled to understand the
load flow by both sources of energy. The report also presents the features of construction
of a Solar Power Plant which is under construction by IPGCL (Indraprastha Power
Generation Corporation Limited).
the goal to achieve economic benefits. Such large interconnected systems can cover many
countries or even wide continental areas. Interconnections of power systems may offer
significant technical, economic and environmental advantages, such as pooling of large
power generation stations, sharing of spinning reserve and use of most economic energy
resources taking into account also ecological constraints: nuclear power stations at
special locations, hydro energy from remote areas, and solar energy from desert areas and
connection of large off-shore wind farms. On the other hand, as power transfer grow, the
power system becomes increasingly more complex to operate and the system can become
less secure for riding through the major outages. It may lead to large power flows with
inadequate control, excessive reactive power in various parts of the system, large
dynamic swings between different parts of the system and bottlenecks, and thus the full
potential of transmission interconnections cannot be utilized. The following report
continues the study of previous report by analyzing the power flow control and stability
(both steady state and transient state) of a synchronous generator driven by a shaft of the
combined cycle configuration (single shaft) which was studied in the previous report
using MATLAB simulation. The report also contains a case study describing the
operation of a combined cycle power plant of GTPS-IPGCL (Gas turbine power station)
and the parameters which are measured and controlled for the proper operation of the
generator and various technological advancements for control operation.
directly taken from the atmosphere and mixed with the fuel to produce electrical energy, hence the ambient temperature of the air (atmosphere) is an important factor on which the power output of a gas turbine depends. The temperature control of the gas turbine is also important for preventing the excess rise in the temperature of the gas turbine. In this paper the effect of ambient temperature and temperature control on the performance of the output response of the gas turbine has been studied using the practical data from a combined cycle plant when the turbine was being operated at base load. Graphs have been plotted and analyzed on the basis of data obtained."
rate; firstly due to wastage of power at consumer end, secondly due to inefficiency of various power system
components. A Combined Cycle Gas Turbine (CCGT) integrates two cycles- Brayton cycle (Gas Turbine) and Rankine
cycle (Steam Turbine) with the objective of increasing overall plant efficiency. This is accomplished by utilising the
exhaust of Gas Turbine through a waste-heat recovery boiler to run a Steam Turbine. The efficiency of a gas turbine
which ranges from 28% to 33% can hence be raised to about 60% by recovering some of the low grade thermal
energy from the exhaust gas for steam turbine process. This paper is a study for the modelling of CCGT and comparing
it with actual operational data. The performance model for CCGT plant was developed in MATLAB/Simulink.
development of the modern society. With the ever increasing demand in electricity
more efficient plants are required. Combined cycle plants are the most fuel-efficient
plants capable of providing efficiency exceeding 58% compared to steam and gas
power plants alone whose efficiencies are limited to 35-42% and around 30%
respectively. Modern combined cycle plants are operated in combined cycle gas
turbine (CCGT) configuration in which the exhaust of the gas turbine is utilized to
produce the steam to carry out the steam turbine process. Combined Cycle Gas
Turbines, because of their quick startup time provide high operational flexibility for
adjusting the load output faster and load predictability therefore modeling of gas
turbines, which produces about two-third of the total power output of the CCGT,
becomes important. Several models of gas turbines have been proposed but none of
them is able to fully explain the behavior of a gas turbine. The following report
presents an initial and preliminary effort in modeling of single shaft combined cycle
gas turbine using MATLAB/Simulink describing various controlling units in the
operation of CCGT. Various studies have been carried out using this Simulink model
so as to describe the behavior of various parameters by varying gas turbine conditions
and also the variation in the efficiency of CCGT overall process is studied when the
gas turbine efficiency is varied. Furthermore, the effect of the temperature control
using practical data has been studied by plotting various graphs and examining them.
The project applies Ohms law that is when a low Direct Current voltage is applied at the feeder end through a series resistor (Cable lines), then the current would vary as a function of the location of fault in the cable. The project is assembled with a set of resistors representing the equivalent circuit of a 3-phase cable and fault creation is made by a set of limit switches at known distances to cross check the accuracy.
for many centuries. But, however there is a new interest in renewable sources such as
those derived from wind power, hydro-power etc. These are more universally available
and they can potentially help with global warming by reducing the carbon footprint.
Then, there is a third kind of energy source based on photovoltaic conversion of sunlight
into electricity by certain widely available semiconductors, which is arguably the
cleanest, most ubiquitous, and potentially the most reliable alternative. The following
report presents the analyses of the characteristics of solar panel through detailed analysis
of the characteristics by using MATLAB simulation and plotting various graphs for the
same. A CCGT-Generator model along with Solar panel’s is modeled to understand the
load flow by both sources of energy. The report also presents the features of construction
of a Solar Power Plant which is under construction by IPGCL (Indraprastha Power
Generation Corporation Limited).
the goal to achieve economic benefits. Such large interconnected systems can cover many
countries or even wide continental areas. Interconnections of power systems may offer
significant technical, economic and environmental advantages, such as pooling of large
power generation stations, sharing of spinning reserve and use of most economic energy
resources taking into account also ecological constraints: nuclear power stations at
special locations, hydro energy from remote areas, and solar energy from desert areas and
connection of large off-shore wind farms. On the other hand, as power transfer grow, the
power system becomes increasingly more complex to operate and the system can become
less secure for riding through the major outages. It may lead to large power flows with
inadequate control, excessive reactive power in various parts of the system, large
dynamic swings between different parts of the system and bottlenecks, and thus the full
potential of transmission interconnections cannot be utilized. The following report
continues the study of previous report by analyzing the power flow control and stability
(both steady state and transient state) of a synchronous generator driven by a shaft of the
combined cycle configuration (single shaft) which was studied in the previous report
using MATLAB simulation. The report also contains a case study describing the
operation of a combined cycle power plant of GTPS-IPGCL (Gas turbine power station)
and the parameters which are measured and controlled for the proper operation of the
generator and various technological advancements for control operation.