Mafiya mai kwallon kashi shine yanayin bincike alaka da ake amfani da shi a cikin kashi na AC da kuma mafiya mai koyarwa. Dalilai da mafiya mai kwallon kashi na biyu yana taimakawa ga mafiya mai koyarwa sun hada da:
Kudaden mafiya mai koyarwa
Mafiya mai kwallon kashi an definace a matsayin nisba ta mafiya mai koyarwa (kW) zuwa mafiya mai koyarwa (kVA):

Idan mafiya mai kwallon kashi ya zama mai biyu, yana nufin cewa don mafiya mai koyarwa na musamman, mafiya mai koyarwa masu gaba ce ne ke amfani a yi aiki. Bisa ga haka, wata baki na energy a cikin system yana amfani a yi aiki kan kafin a yi kawo da tsaye ko kuma a yi kawo da kayan aiki.
Misali, idan akwai mafiya mai kwallon kashi na 0.8 a cikin kashi, yana nufin cewa daga 1000 kVA na mafiya mai koyarwa, kawai 800 kW ne mafiya mai koyarwa. Wannan 200 kVA na baki yana nufin Reactive Power (kVAR), wanda ba a yi aiki ba.
Kadandanan energy
Saboda mafiya mai kwallon kashi na biyu yana nufin cewa energy masu gaba suke amfani a yi kawo da tsaye, ba a yi aiki ba, energy yana zama rarrabe. Idan wannan energy ba a yi aiki ba, amma yana haifar da heat a cikin abubuwan da ke cikin kashi, kuma yana zama cikakken amfani da energy.
Kudaden amfani da abubuwan da ke cikin kashi
Idan mafiya mai kwallon kashi ya zama mai biyu, abubuwan da ke cikin kashi (misali generators, transformers, cables, k.s.a.) suna bukatar karfin da za a iya bayyana mafiya mai koyarwa na musamman. Wannan yana nufin cewa amfani da wannan abubuwa ya zama mai biyu saboda suna bukatar karfi masu gaba don in bayyana mafiya mai koyarwa na musamman.
Yawan takardun grid
Mafiya mai kwallon kashi na biyu zai iya taimakawa wajen yawan takardun grid saboda grid yana bukatar karfin masu gaba don in bayyana mafiya mai koyarwa na musamman. Wannan babu kuma yana iya taimakawa wajen yawan lalacewar voltage da kuma line loss, kuma yana iya taimakawa wajen yawan takardun quality da efficiency ta bayyanin energy.
Yawan adadin electricity bill
Don masu amfani da electricity, company ta electricity suna bayar da electricity bill kamar mafiya mai koyarwa. Idan mafiya mai kwallon kashi ya zama mai biyu, kawai mafiya mai koyarwa na musamman ke ciki, amma adadin electricity bill ya zama za a zama mai biyu saboda mafiya mai koyarwa. Kuma, wasu companies ta electricity suna bayar da additional charges wa masu amfani da mafiya mai kwallon kashi na biyu.
Haddadi na amfani da mafiya mai kwallon kashi
Don in amfani da mafiya mai kwallon kashi da kuma kudaden negative effects, ana iya yi haddadi kamar haka:
Amfani da compensation capacitors: Idan ake sauri compensation capacitors zuwa kashi, zai iya taimakawa wajen kudaden inductive load da kuma amfani da mafiya mai kwallon kashi.
Load optimization: Gudanar da tsari da inductive loads, ko kuma kungiyar da capacitive loads.
Amfani da abubuwan da ke cikin kashi da kudaden energy: Zabi abubuwan da ke cikin kashi da kudaden energy don in kudaden consumption da ineffective energy.
Arrangement da take da amfani da abubuwan da ke cikin kashi: tambayar da working time da abubuwan da ke cikin kashi don in kudaden unnecessary energy consumption.
Daga amfani da mafiya mai kwallon kashi, zai iya taimakawa wajen kudaden efficiency ta system, kudaden kadandanan energy, da kuma kudaden cost ta electricity.