MHO distance relays are used to protect andÊdetect faults and the location of faults on a transmission line. It detects faults by measuring and comparing phase angles through a phase comparator.
as it is most affected by arc resistance....
A mho is a unit of electrical conductance, representing the inverse of resistance. It is equal to one siemens, which is the standard unit of conductance in the International System of Units (SI). The term "mho" is derived from spelling "ohm" backwards, emphasizing its relationship to resistance. One mho indicates a conductor that allows one ampere of current to flow with a voltage of one volt across it.
To mitigate the issues encountered by the mho directional relay during unsymmetrical faults, one approach is to employ a dual-element relay scheme that can distinguish between different fault types and their associated impedances. Additionally, incorporating advanced algorithms that analyze the voltage and current waveforms can help improve fault detection accuracy. Implementing adaptive settings that adjust the relay's characteristics based on system conditions can also enhance performance during varying fault impedances. Lastly, using digital relays with enhanced signal processing capabilities can provide more precise fault identification and directionality.
A relay cannot be used to power a motor. It can be used to control the motor by wiring the motor circuit in series with the relay contacts.
Ohm relay.......
OFFSET IMPEDANCE RELAYOffset impedance relay is also known under names ADMITTANCE RELAY or MHO RELAY
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mho rerlay is used in long transmission lines
as it is most affected by arc resistance....
MHO is a formerly used unit which was used to measure electrical conductance.
The correct spelling is siemens, and it is the SI unit for conductance -the reciprocal of resistance. The mho is simply an obsolete unit for the same thing, and is numerically equal to the siemens.
First of all, the correct spelling is 'siemens' (symbol: S), which is the SI unit of measurement for conductance -the reciprocal of resistance. The mho is simply an obsolete unit for conductance, and is exactly equivalent to the siemens.
it measure the hardness of material.
no jade is like an emerald and agate is more like the ruby NO !!!!!!! MHO- scale is the same for both stone though some time in formation jade well be a 6.8 - 6.9 / as agate is a hard 7.0 MHO-scale. Emerald & ruby ...... 8.5 MHO - scale Sorry that this answer was ......Blank in wrong
Bhala ka sa buhay mho..bkit qoh nmn sa2bhin ed nlaman mho.,..tanga mulala berat baliw nga nga
tanong mho sknya
distance relay..........