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latest Blogs

  • What Are The Disadvantages Of A Low Power Factor  Bayt

    What Are The Disadvantages Of A Low Power Factor Bayt

    Lowpower factorhas the following problems 1 large line losses line losses are directly proportional to the square of current 2 greater conductor size and cost in case of lowpower factor current is increased and to transmit this high current large size of conductor is required therefore cost of the conductor is also increased

    READ MORE
  • What Ispower Factor Correction Formula  Definition

    What Ispower Factor Correction Formula Definition

    Oct 28 2020 in generalpoweris the capacity to do work in electrical domain electricalpoweris the amount of electrical energy that can be transferred to some other form heat light etc per unit time mathematically it is the product of voltage drop across the element and current flowing through it considering first the dc circuits having only dc voltage sources the inductors and capacitors

    READ MORE
  • Motorppt Slideshare

    Motorppt Slideshare

    Feb 23 2018whydomotorsfailpowersupply anomalies idealpoweris a perfect sine wave on each phase at themotorsrated voltage frequencyrarely achieved the following problems appear harmonics cause overheating and decreased efficiency overvoltage at moderate levels is usually not damaging but can reduce efficiency andpower factor

    READ MORE
  • What Is Electricitytariff  Definition Types  Factors

    What Is Electricitytariff Definition Types Factors

    Thepower factorof the load thepower factorplays a major role in the plant economics the lowpower factorincreases the load current which increases the losses in the system thus the regulation becomespoor for improving thepower factor thepower factorcorrection equipment is installed at the generating station

    READ MORE
  • Investigation How Lack Of Oxygenpoorhealth Sector Is

    Investigation How Lack Of Oxygenpoorhealth Sector Is

    Nov 30 2020 a 2015 report byugandas gender labour and social affairs ministry together with un childrens fund had listed the country among the top 10 countries for high maternal newborn and child

    READ MORE
  • Power Infrastructure Qualityand Manufacturing

    Power Infrastructure Qualityand Manufacturing

    Oct 01 2013 according to undp 2004 mostpowerutilities in many african countries are state owned monopolies and thus low tariffspoortechnical and financial management as well as fiscal constraintshaveresulted in very little investments andpoormaintenance of infrastructure in these countries 2poweroutagespowersurges brown outs and load

    READ MORE
  • What Is Variable Frequency Drive Circuit Its Operation

    What Is Variable Frequency Drive Circuit Its Operation

    Jan 29 2019 3if themotorspeed is controlled or the speed is decreased the overallpower factoris largely get hampered which results inpoor power factor csi type vfds csi stands for current source inverter vsi type vfds are designed in such a way that it could provide smooth voltage output depending on the variable frequency range but in csi type

    READ MORE
  • Commoncauses For Electric Motor Failure  Motor Failure

    Commoncauses For Electric Motor Failure Motor Failure

    Most of the electricmotorfailures occur at the start up most of them are caused by the overheating ofmotor there are also other factors which greatly affect the performance of electricmotorssuch as low resistance dirt moisture overcurrent and vibrations electricmotorsshould be installed very carefully and should be looked after at regular intervals

    READ MORE
  • What Ispower Factor  How To Calculatepower Factor

    What Ispower Factor How To Calculatepower Factor

    How to make sense ofpower factor beer is activepowerkwthe usefulpower or the liquid beer is the energy that is doing work this is the part you want foam is reactivepowerkvarthe foam is wastedpoweror lostpower its the energy being produced that isnt doing any work such as the production of heat or vibration

    READ MORE
  • Investigation How Lack Of Oxygenpoorhealth Sector Is

    Investigation How Lack Of Oxygenpoorhealth Sector Is

    Nov 30 2020 a 2015 report byugandas gender labour and social affairs ministry together with un childrens fund had listed the country among the top 10 countries for high maternal newborn and child

    READ MORE
  • Gensetfuel Consumption Andor Additional Load Capacity

    Gensetfuel Consumption Andor Additional Load Capacity

    Nov 03 2002 improving thepower factorwill result in a very minor essentially zero improvment in fuel usage the generator losses will be a little less and there will be fractionally less excitationpower with having to start 200hp and 300hpmotorsand considering thepooroperatingpower factor the generator sounds to be a little undersized

    READ MORE
  • Synchronous Motor Slideshare

    Synchronous Motor Slideshare

    Aug 15 2019 in between thepower factorin unity the variations ofpower factorwith excitation are shown in fig 3648b the curve forpower factorlooks like inverted v curve it would be noted that minimum armature current corresponds to unitypower factor 34 it is seen that an overexcitedmotorcan be run with leadingpower factor

    READ MORE
  • 5causes Of Motor Failureand How To Prevent Them

    5causes Of Motor Failureand How To Prevent Them

    Overheating can be caused bypoor powerquality or a high temperature operating environment for every 10oc that the temperature of amotorrises the insulation life reduced by 50 possible solution it is critical that themotoris kept as cool as possible ensuring the operating environment is kept cool if possible will help prevent

    READ MORE
  • Singlephase Powervs Threephase Power

    Singlephase Powervs Threephase Power

    Jun 22 2019 that means when we supply 3phase motor the constantpowerproduces constant torque in singlephaseor twophasesystems the instantaneuspoweris not constant the smallest number of phases is 3 of course we can use 4 5 6 ectphasesystems theyhavethe same feature as 3phase but it means more circuit breakers conductors ect

    READ MORE
  • What Is Electricitytariff  Definition Types  Factors

    What Is Electricitytariff Definition Types Factors

    Thepower factorof the load thepower factorplays a major role in the plant economics the lowpower factorincreases the load current which increases the losses in the system thus the regulation becomespoor for improving thepower factor thepower factorcorrection equipment is installed at the generating station

    READ MORE
  • Miningelectrificationand Infrastructure  Abb  Mining

    Miningelectrificationand Infrastructure Abb Mining

    The future for miningelectrificationhas already started electricity transformation of offgrid mining to battery energy storage and renewables is underway a lot of progressive companies are investing in fullyelectric or hybridelectric vehicles to dump diesel cut costs and pollution and use new technologies more appealing to the millennials

    READ MORE
  • Top 10tips For Working With Gearmotors Machine Design

    Top 10tips For Working With Gearmotors Machine Design

    Motors drives top 10tips for working with gearmotors when specifying start by determining the required torque at the gearbox output shaft a gearmotors purpose is to act as apower

    READ MORE
  • Preventive Maintenance Of Motors And Controls Ecm

    Preventive Maintenance Of Motors And Controls Ecm

    A wellplanned preventive maintenance program is the key to dependable longlife operation ofmotorsand generatorsin modern plant operations unscheduled stoppage of production or long repair shutdowns are intolerable the high cost of the resultant downtime eats deeply into profits although management probably realizes the value of a good preventive maintenance pm program they

    READ MORE
  • Commoncauses For Electric Motor Failure  Motor Failure

    Commoncauses For Electric Motor Failure Motor Failure

    Most of the electricmotorfailures occur at the start up most of them are caused by the overheating ofmotor there are also other factors which greatly affect the performance of electricmotorssuch as low resistance dirt moisture overcurrent and vibrations electricmotorsshould be installed very carefully and should be looked after at regular intervals

    READ MORE
  • Power Infrastructure Qualityand Manufacturing

    Power Infrastructure Qualityand Manufacturing

    Oct 01 2013 according to undp 2004 mostpowerutilities in many african countries are state owned monopolies and thus low tariffspoortechnical and financial management as well as fiscal constraintshaveresulted in very little investments andpoormaintenance of infrastructure in these countries 2poweroutagespowersurges brown outs and load

    READ MORE
  • Gensetfuel Consumption Andor Additional Load Capacity

    Gensetfuel Consumption Andor Additional Load Capacity

    Nov 03 2002 improving thepower factorwill result in a very minor essentially zero improvment in fuel usage the generator losses will be a little less and there will be fractionally less excitationpower with having to start 200hp and 300hpmotorsand considering thepooroperatingpower factor the generator sounds to be a little undersized

    READ MORE
  • Howwill Vsds Alter Motor Efficiency  Control Design

    Howwill Vsds Alter Motor Efficiency Control Design

    Dec 14 2017 this is a small charge and is at most a secondary effect of the vfd however care should be taken with olderstyle current source drives where thepower factoris proportional to speed and can become verypoorwhen operating below 80 speed potentially requiring the addition ofpowerfactorcorrection components in the plant

    READ MORE
  • Understanding Variable Speed Drives Part1  Ecm

    Understanding Variable Speed Drives Part1 Ecm

    Also the current wave shape to themotoris smoothed out as current spikes are removed fig 2 on page 56 shows the voltage and current waveform outputs from a pwm drive pwmshavethe following advantages excellent inputpower factordue to fixed dc bus voltage nomotorcogging normally found with sixstep inverters

    READ MORE
  • Singlephase Powervs Threephase Power

    Singlephase Powervs Threephase Power

    Jun 22 2019 that means when we supply 3phase motor the constantpowerproduces constant torque in singlephaseor twophasesystems the instantaneuspoweris not constant the smallest number of phases is 3 of course we can use 4 5 6 ectphasesystems theyhavethe same feature as 3phase but it means more circuit breakers conductors ect

    READ MORE
  • Hvh Industrial Solutions  Industrial Distributor

    Hvh Industrial Solutions Industrial Distributor

    Hvh industrial solutions is a one stop shop place for all your needs we do industrial engineering machining fabrication and number on supplier of bearings pneumatic hydraulics andpowertransmission products

    READ MORE

Latest Blogs

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