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After Synchronization we need to maintain many things like:
- Frequency
- Power Factor
- Voltage
- Current
If any of these not maintained then the unit will come in Home Load.
Home Load is actually a small amount of load (min 2 MW) for a short duration of time (say 2hrs). In these short duration there is need of synchronization again so that the turbine wont tripped. If there is delay than the unit will get tripped & turbine need to roll again and then synchronized.
Avinash Rao
What else can I help you with?
What is turbine runback?
Controlled unloading of a turbine operating under load.
What is turbine drain valve?
When steam is introduced to a turbine during start up, drain valves are fully open. They drain to the condenser until the turbine reaches a certain load. Once that load is reached, the valves are closed and turbine runs normally.
What causes steam turbine governor hunting?
inconsistent load will cause steam turbine hunting.
Atc control by deh for turbine?
yes ,when my set point and turbine inlet pr. is match,then no need to varry the load as well as speed,so you can hold the load
What is the dead load and a live load and a dynamic load in a steam turbine?
In the context of a steam turbine, the dead load refers to the static weight of the turbine components and associated structures that are always present, such as the casing, rotor, and support structures. The live load includes any additional loads that fluctuate during operation, such as the weight of fluids and steam, or operational stresses from vibration and thermal expansion. A dynamic load encompasses forces that change over time due to movement, such as the impact of rotating parts or fluctuations in steam pressure, which can induce vibrations and affect the turbine's performance. Understanding these loads is crucial for designing a safe and efficient turbine system.
What does a home wind turbine do?
A home wind turbine will use the power of wind to provide and generate energy. One can use a home wind turbine at home to provide electricity or heat water, for example.
Why is the runaway speed of a hydraulic turbine always kept twice its normal speed?
The runaway speed of a hydraulic turbine is the speed at which the turbine coupled to the generator runs at the maximum possible speed due to loss of load and this happens until the shut off valves completely closes the discharge from the penstock. the runaway speed of the turbine is determined by the turbine designer and is influenced by the maximum discharge of water from the penstock, the combined inertia of the turbine runner and the generator and the flywheel. this factor can vary from 1.5 up to 3 times the nominal speed of the turbine and is determined by the turbine designer considering all the load parameters.
What is Runaway Speed of hydraulic Turbine and how it is calculated?
The runaway speed of a water turbine is its speed at full flow, and no shaft load. The turbine will be designed to survive the mechanical forces of this speed. The manufacturer will supply the runaway speed rating.
How does rpm of steam turbine change with time?
The RPM of a steam turbine typically changes over time in response to variations in load demand and steam supply. During startup, the RPM gradually increases as steam pressure builds and the turbine accelerates. Under stable operating conditions, the RPM remains relatively constant, but it can fluctuate due to changes in load, steam flow, or operational adjustments. If the load decreases, the RPM may drop, while an increase in load can cause the RPM to rise, depending on the control mechanisms in place.
What is a droop in steam turbine?
A droop in a steam turbine refers to a decrease in the output frequency of the turbine generator system as the load increases. This phenomenon occurs due to the inherent characteristics of the steam turbine's governor control system, which allows for a slight reduction in speed to maintain stability and respond to changes in demand. The droop setting is crucial for ensuring proper load sharing among multiple generators in a grid. It helps prevent overloading and potential damage to the turbine while maintaining overall system reliability.
How we calculate PLF for Wind Turbine?
The Plant Load Factor (PLF) for a wind turbine is calculated by dividing the actual energy output of the turbine over a period of time by the maximum possible energy output if the turbine were operating at its rated capacity throughout the same period. It is typically expressed as a percentage and is used to analyze the efficiency and performance of the wind turbine.
What is governing of impulse turbine?
Basically governing of a turbine is controlling the speed of the turbine as the load keeps varying. The turbine needs to rotate at a constant speed. The governing of an impulse turbine is done by varying the jet of water that hits the buckets of the runner. This is done by using a spear arrangement in the pen stock. A pen stock is a type of pipe that provides the jet of water.
