Basically, a machine is classified into two types depending upon its operation. They are the generator and the other is the motor. The generator generates electricity while the motor utilizes this electricity. Let us discuss in detail about the generators in this article. An Electrical Generator is a machine that transforms mechanical energy into electrical energy. However, an electrical generator is of two types. They are one is the AC Generator and the … [Read more...]
Basics of Electricals
AC Generator – Construction, Working & Applications
An Electrical Generator is a machine that converts mechanical energy into electrical energy. Depending upon output the electrical generator is classified as AC and DC types. If the output is a unidirectional current or voltage then it is termed as DC generator. If it is alternating, then it is termed as an AC Generator. There is a small constructional difference between the DC type and AC type. In DC, we use split rings for the conversion of Alternating … [Read more...]
DC Generator – Construction, Working & Applications
An electrical generator is a machine that converts mechanical energy into electrical energy. It works on the principle of electromagnetic energy conversion. When a mechanical domain is given to the machine it develops a magnetic field that is further converted into electrical energy. Initially, mechanical energy to the machine is given by a prime mover. Due to this input current passes through the windings which develop the magnetic field. This magnetic … [Read more...]
Types of Single-Phase Induction Motor with Applications
The main difference between the three-phase and single-phase induction motor is their operation for the large ratings. But, the three-phase motors use the three phases displaced by an angle of 120 degrees whereas the one-phase uses only one phase supply. This makes possible for the three-phase motors to be suitable for operating even the higher rating appliances. However, the characteristics of the three-phase, as well as the one-phase, resembles the same. … [Read more...]
What is a Cooling Tower – Types, Working, Applications
Generally, in a steam power plant, boilers are used for the production of steam by heat water. The heated water is converted to steam which in turn converted to Electrical Energy by rotating a turbine. The steam generated after this operation instead of exhausting to the atmosphere can be reutilized. For reutilization, we depend upon the process of condensation. The steam generated is sent to a cooling tower to convert the steam into cold water. The … [Read more...]
Fire Tube Boiler – Types, Construction, Working & Applications
Steam boilers were used earlier for the production of steam in trains. Later on, with the development in the construction of these boilers, these boilers are classified into different types based on the generation of steam. The steam generated should be of high pressure in order to increase efficiency. So, to generate more steam, steam boilers are classified as water tube and fire tube boilers. The water tube boiler generates more steam of high pressure … [Read more...]
Water Tube Boiler – Types, Working, Construction & Applications
Generally, the boiler is an equipment that is used for the production of steam. The steam generated in the boiler is further utilized to drive a turbine attached to a synchronous generator. The synchronous generator converts the mechanical energy of the turbine to electrical energy. This generated energy is supplied to the bus bars further it is transmitted to different areas. These boilers are classified into different types among them water tube and fire … [Read more...]
What is Power Factor – Importance, Methods Used to Improve It.
Electric Power generated in a power system should be utilized without any losses. The total generated power is not observed at the receiving end due to some losses. These losses are due to the reactive power consumption by the load. This reactive power results in the low power factor. In order to utilize 100% of the power generated, the power factor should be as high as possible. If it is less than unity, there will be losses that result in the … [Read more...]
What is Load Factor – Formula, Methods used to Improve it
The electrical energy utilized is observed in a 24-hour format annually and the peak load demand is noted to analyze. The average demand met over a period of time is calculated which is further required to calculate the Load factor. From this, we can also estimate how much electrical energy would have been used in the case of a power shutdown. This is also important in determining the overall cost of the plant. What is the Load factor? It is an … [Read more...]
Maximum Power Transfer Theorem – Examples and Applications
In an electrical system, the maximum amount of power is required to be transmitted to the load side. For example, in an audio amplifier system, the maximum amount of power is transmitted from the amplifier to the speaker. In the same way, the maximum amount of power is transmitted from the power amplifier to the antenna in the case of a Radio system. So, to transmit the maximum amount of power to the load side the load resistance should be of ideal value. … [Read more...]