What does GMD & GMR mean ?

1 Answer

Answer :

GMD = Geometrical Mean Distance GMR = Geometrical Mean Radiue.

Related questions

Description : What is Mutual GMD ?

Last Answer : Mutual GMD or GMD refers to the geometrical mean distance between a conductor and another conductor.

Description : The self GMD method is used to evaluate

Last Answer : The self GMD method is used to evaluate inductance and capacitance

Description : A conductor is composed of seven identical copper strands, each having a radius 'R'. Then what is self GMD (Geometric Mean Distance) of the conductor?  (A) 2.645 R (B) 2.177 R (C) 2.141 R (D) 1.21 R 

Last Answer : Self GMD of the seven strand conductor is 49th root of the distances. ThusDs = [(r')7 × (D²12 × D²26 × D14 × D17)6 × (2)6]1/49= [(0.7788 r)7 × (2²r² × 3 × 2²r² × 2²r × 2r)6]1/49 = 2r[3(0.7788)]1/7 = 2.177 r 61/49

Description : What is a series & parallel circuit ?

Last Answer : All circuits have only one path of current flow called series circuit. Circuits that have two or more currents of current flow are called parallel circuits.

Description : What is meant by Voltmeter & Ammeter ?

Last Answer : Voltmeter measures the voltage of any load or any line and the voltmeter has to be connected parallel to the load. The ammeter measures the current flowing through a load or the current of an electrical line. The ammeter is connected in series with the load.

Description : What is AD & DA Converter ?

Last Answer : AD Converter: Analog to Digital Converter is called AD Converter . This means that analog signal is converted to digital signal with the help of AD converter . DA Converter: Digital to Analog Converter ... . This means that digital signal is converted to analog signal with the help of DA converter .

Description : What do you mean by switchgear ?

Last Answer : Answer : Switch gear does not mean a single corner object. It refers to the position of the electromagnetic system, including the connective , isolating , and maintenance equipment of normal activity .

Description : What does earth continuity mean ?

Last Answer : The conduction wire that connects the earthing lead to the metal cover of electrical furniture, appliances, or wiring is called the earth continuity wire.

Description : What do you mean by wave wave ?

Last Answer : A wave wave is a wave wave that is obtained by plotting instantaneous value coordinates of voltage and current.

Description : What do you mean by DC circuit ?

Last Answer : DC means direct current. All the circuits that work through the DC source are called DC circuits .

Description : What is frequency ? What does 60c / s bicycle mean ?

Last Answer : The number of cycles an AC wave completes in one second is called frequency. Its unit is Hz . It is expressed by f . Frequency 60c / s cycle means complete 60 cycles in 1 second .

Description : D.C. And AC , what do you mean ?

Last Answer : DC , a short expression of a current flowing in an electric current which is obtained from zero at the moment of onset and flows in the same direction unchanged. A.C. A brief expression of ... in one direction. Again in the opposite direction also from zero to maximum and from maximum to zero.

Description : What does digital signal mean ?

Last Answer : A digital signal means that the signal or symbol has two defined levels.

Description : What does digit mean ?

Last Answer : : The origin of digital word from digital word. Digit means number and digital number usually means 0 and 1 .

Description : What does Fan-in mean ?

Last Answer : : The maximum number of input terminals in a gate is called the fan in.

Description : What does backbone mean ?

Last Answer : The main cable carrying the data of the network is called the backbone , with which the other part of the network keeps the network active from connecting the information segments.

Description : What does relay mean ? What is a relay ?

Last Answer : A protective device is a relay that detects electrical circuit faults and assists in circuit breaker operation and separates the defective part from the good part.

Description : What does AVO mean ?

Last Answer : AVO refers to three things. A is the unit of current measurement with amperes. Volt with V is the unit of measurement of voltage. Ohm with O is the unit of measurement of resistance.

Description : 250V 100W written on the lamp , what does it mean ?

Last Answer : 100W power loss if an electric lamp is supplied within 250V and runs for 1 hour .

Description : What is the conductivity of molar ?

Last Answer : The density of a solution as cm. When one mole of electrolytic substance is dissolved in it, the conductivity obtained by multiplying it by the relative conductivity of the solution is called molecular conductivity of the solution .

Description : How do I purchase a product ?

Last Answer : From Alibaba you can purchase products by paying MASTER CARD or through bank.

Description : What is an analog signal ?

Last Answer : Signals whose values ​​change continuously are called analog signals. For example- voltage of electricity supplied to the house.

Description : What is Zener Diod ?

Last Answer : Zener diode is a special type of diode which, like ordinary diode, not only conducts current in the forward direction , but also in the opposite direction if the voltage exceeds the level of breakdown ... diode is to use the shunt regulator and the voltage reference as the voltage of the circuit.

Description : What is the multiplying factor of shunt ?

Last Answer : Answer : The ratio of load or matte current to ammeter current is called shunt multiplying power.

Description : What is ammeter shunt ?

Last Answer : A small amount of radial coupling in parallel with the coil to increase the range of ammeter is called ammeter shunt.

Description : What is short circuit current ?

Last Answer : Answer : A fault in an electrical system whose current, before or after the current flows through the load, is combined with one or more phases of neutral current which causes more current to flow than normal. The current is called short circuit current.

Description : What is a current limiting reactor ? How many types and what are they ?

Last Answer : Answer : A current limiting reactor is basically an inductive coil which limits the short circuit current by providing inductive reactance when required. Types: 1. Based on the structure- a) Dry type ... reactor. Basbar reactors are again of 2 types- a) Ring system reactor b) Tiber system reactor

Description : What is the method of diagnosing short circuit current ?

Last Answer : There are three methods for determining short circuit current , namely- 1) Ohmic method 2) Per unit method 3.) Percentage reactance method.

Description : What are symmetrical and asymmetrical faults ?

Last Answer : Symmetrical Fault: The same amount in each phase due to the float in the electrical system. The fault that causes hot current to flow is called semantic fault. Circuit breaker ratings are determined by ... through each fan is called an asymmetrical fault. The relay is set via asymmetrical font.

Description : What is Basbar and Bas Kaplar ?

Last Answer : Basbar : Basbar is basically a sheet or color of copper or aluminum. It is the job of the bus driver to deliver power to one or more lads with power from one or more cables. Bus ... is basically a combination of circuit breaker and isolator. There are fire proof walls around the bus coupler.

Description : Why is the busbar sectionalized ?

Last Answer : Answer : If an error occurs in any part of the busbar, the operation of the entire busbar system will not stop. The maximum success of this system is due to the interconnection of different sections of the circuit and the smooth distribution in the outgoing circuit.

Description : title : _

Last Answer : Basbar is a type of copper and aluminum conductive sheet or mata rod , which collects electrical energy from one or more circuits and distributes that energy through one or more circuits.

Description : Write different font names or different short circuit font names ?

Last Answer : There are two main types of short circuit faults. Namely- 1. Semantic faults and 2. Asymmetrical font Symmetrical fault - a) Short circuit three phases together b) Short circuit asymmetrical fault with three ... result c) Double line to ground font d) Two phase one Circuit and third phase earth.

Description : What is Electrical Fault ? What is the cause of the fault ?

Last Answer : Answer : Fault: When two or more conductors come in contact with each other while operating at normal voltage difference, the result is said to be organized. Causes of Fault: Faults are organized due to ... loss of line c) Lightning charge d) Voltage drop e) Loss of unbalance and stability etc.

Description : What features should a switchgear have ?

Last Answer : Switchgear should have the following characteristics- a) Sensitivity b) Detection ability c) Reliability d) High speed e) Durability. F) Expansion advantage g) Simplicity.

Description : What are the components of switch gear ?

Last Answer : The components of switch gear are: circuit breaker , relay , instrument transformer , housing , conductor etc.

Description : What is an Earth Electrode ?

Last Answer : Puta metal part in the soil which connects to the soil is called earth electrode. Thank you all for today's electrical questions and answers.

Description : What is Earthing Lead ?

Last Answer : The wire that connects the earth continuity wire and the earth electrode is called the earthing lead.

Description : What earthing is done in hilly areas ?

Last Answer : Sheet earthing is done in hilly areas. Shit electrodes are placed by digging trenches on the slopes of the hill.

Description : What should be the size of rod earthing ?

Last Answer : In case of iron or steel rod the diameter is 16 mm but in case of copper rod it is 12.5 mm. In both cases the length is at least 2.5 m. Is to be.

Description : Which earthing is less expensive ?

Last Answer : Rod earthing is the least expensive. Because the soil does not have to be eroded, the cost is less than other earthing.

Description : What should be the size of the pipe electrode ?

Last Answer : The size of the pipe electrode should be 36 mm diameter 2 to 2.75 m long galvanized iron or steel pipe.

Description : How many types of earthing and what are they ?

Last Answer : There are two types of earthing , namely _ a) system earthing b) equipment earthing.

Description : What are the essential elements for earthing ?

Last Answer : They are _ a) earthen continuity b) earthing lead c) earthy electrode

Description : What is the best earthing method ?

Last Answer : Pipe earthing method is best. This is because it is less expensive and when the soil dries out in the dry season , regular earthing can be done by pouring water through the pipes.

Description : What is Neutral Plan ?

Last Answer : A plane at infinite distance , where the value of electric field intensity and potential V is zero , is called Neautral Plan .

Description : On what subject does inductance in transmission line depend ?

Last Answer : a) On the line b) Conductor spacing c) Conductor radius

Description : What is the best economic pf ?

Last Answer : Improving the power factor means maximum annual savings , which is called the best economic power factor.

Description : What is Tariff ?

Last Answer : Answer : The amount that the power company charges per unit ( kWH) of electricity is called electricity tariff or tax.

Description : What is Diversity Factor ?

Last Answer : Diversity factor is the sum of the individual maximum demand and the ratio of the maximum demand of the plant.