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Differences Articles
Page 148 of 170
Difference between PLC and DCS
Both PLC and DCS are extensively used in industrial automation to control and automate a machine or a process. Both PLC and DCS monitor the input and field signals and take the decisions based on how they are programmed. There are many differences between PLC and DCS which we will highlight in this article. Let's start with some basics of PLC and DCS so that it becomes easier to understand the differences between them. What is a PLC? PLC stands for Programmable Logic Controller. The PLC is a microcontroller device that is used to control and automate a machine ...
Read MoreDifference between Overhead Lines and Underground Cables
Electrical power is produced at the power generating plants which are located far away from the load centers. Therefore, we need to transport the electrical power generated at the power generating plant to the points of utilization or load points. For this purpose, two major systems of conductors are developed called transmission system and distribution system. Both transmission and distribution systems are further classified into two types namely, Overhead system Underground system In the overhead system of transmission and distribution, the overhead line wires supported by poles are used for power transportation; while in the underground system, insulated ...
Read MoreDifference between Ordinary Light and LASER Light
Ordinary light and LASER light are both forms of electromagnetic waves, hence they can travel at the same speed, i.e., speed of light, in vacuum. However, there are several differences between an ordinary light and LASER light. One major difference is that the ordinary light has a mixture different wavelength whereas the LASER light is monochromatic, i.e. has only one wavelength. Other differences between ordinary light and LASER light are listed in the table given below. What is Ordinary Light? An ordinary light is the type of electromagnetic radiation having many wavelengths and is incoherent light. As the ordinary ...
Read MoreDifference between LED and LASER
Several types of devices are used to emit light. The two special devices that are used as the source of light in flashlights, traffic signals, medical instruments, etc. are LED and LASER. Both LED and LASER can emit electromagnetic radiation in the form of light. Although, these are different from each other. In this article, we will highlight all the major differences between LED and LASER. Let's start with some basic information about LED and LASER so that it becomes easy to understand the differences between them. What is LED? LED stands Light Emitting Diode. The LED is a ...
Read MoreDifference between kW and kVA
In any electric circuit (AC or DC), the electric power is one of the major electrical quantity. The electrical power is broadly classified into three types namely active power, reactive power and apparent power. These three types of electric powers are measured in different units. Where, the active power is measured in Watts (W), the reactive power is measured in Volt Ampere Reactive (VAR) and the apparent power is measured in Volt Ampere (VA). But in practice, these powers are measured in larger units, i.e., kW (kilo-Watt), kVAR (kilo Volt Ampere Reactive), and kVA (kilo Volt Ampere). Read through this ...
Read MoreDifference between Diode and Rectifier
The terms diode and rectifier are extensively used in electronics engineering. Sometimes, both these terms seam similar because they perform similar functions. However, there are many differences between a diode and a rectifier. This article is meant for explaining the differences between diode and rectifier. But before discussing the differences, it is advantageous to learn the basics of these two devices so it becomes easier to understand the differences between them. What is a Diode? A diode is a two terminal semiconductor device that allows the flow of electric current only in one direction. Therefore, the diode can ...
Read MoreDifference between CMOS and NMOS Technology
There are two most popular MOS (Metal Oxide Semiconductor) technologies namely CMOS and NMOS which are widely used in the field electronics and power electronics such as in ASICs, memories, processors, etc. Nowadays, the CMOS technology is one of the leading semiconductor technology. It is because the CMOS technology dissipates less power when compared to the bipolar and NOMOS technology. In this tutorial, we will discuss the major differences between CMOS technology and NMOS technology. But before discussing the differences, let's get a brief overview of what the CMOS and NMOS technologies are. What is CMOS Technology? CMOS stands ...
Read MoreDifference between Base Load and Peak Load Power Plant
A power plant is an interconnected system of various electrical equipment that is used to generate electricity. The major components of a power plant include an alternator (or generator), a prime mover, control system, a generating transformer, etc. The prime mover is a mechanism that drives the alternator or generator to produce electrical energy. The control system governs the parameters such as voltage, power factor, reactive power, frequency, etc. of the generating system. The generating transformer is to step up the voltage of the generated power for transmission purpose. Nowadays, several types of power plants are being used for power ...
Read MoreDifference between Avalanche Breakdown and Zener Breakdown
In a semiconductor diode, the term breakdown implies the short circuit of the diode. As we know, the diode allows the flow of electric current in only one direction (forward direction) and blocks the flow of current in the reverse direction. But, when the applied voltage in the reverse direction exceeds a limit (called breakdown voltage), the diode starts conducting in the reverse direction as well. This stage is called the breakdown in the diode. The following two types of breakdowns take place in a PN-junction semiconductor diode − Zener Breakdown Avalanche Breakdown In this article, we shall ...
Read MoreDifferent methods to append a single character to a string or char array in Java
Have you ever faced the situation of extending a string or char array? If you haven't yet, you might probably encounter this situation in the future. It is a common practice to append a single character to a string or char array in Java. The significant difference between a string array and a char array is that a string array is a sequence of characters, and a char array is a sequence of collection of data type char. String array runs as a single entity, whereas char array runs as a separate entity. In this blog, we will look ...
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