{"id":2495,"date":"2020-12-03T08:50:24","date_gmt":"2020-12-03T05:50:24","guid":{"rendered":"https:\/\/elecgate.com\/?p=2495"},"modified":"2025-04-06T09:24:24","modified_gmt":"2025-04-06T06:24:24","slug":"%d8%ad%d8%b3%d8%a7%d8%a8-%d8%b3%d8%b9%d8%a9-capacitor-bank","status":"publish","type":"post","link":"https:\/\/elecgate.com\/?p=2495","title":{"rendered":"\u062d\u0633\u0627\u0628 \u0633\u0639\u0629 capacitor Bank"},"content":{"rendered":"
\n
\n
\n
\n
\n

\u062d\u0633\u0627\u0628 \u0633\u0639\u0629 capacitor Bank<\/strong><\/h1>\n<\/div>\n
\n
\u064a\u0648\u062c\u062f \u0645\u062c\u0645\u0648\u0639\u0629 \u0643\u0628\u064a\u0631\u0647 \u0645\u0646 \u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u062d\u0633\u0627\u0628\u064a\u0629 \u0644\u0645\u0639\u0631\u0641\u0629 \u0633\u0639\u0629 Capacitor Bank \u0633\u0648\u0641 \u0646\u0642\u0648\u0645 \u0628\u0625\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0639\u0638\u0645 \u0627\u0644\u0637\u0631\u0642 \u0648\u0623\u0643\u062b\u0631\u0647\u0645 \u062f\u0642\u0629.<\/div>\n
\u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0623\u0648\u0644\u0649 :-<\/div>\n
\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062c\u062f\u0627\u0648\u0644 \u0644\u062d\u0633\u0627\u0628\u0627\u062a Capacitor Bank \u0648\u0633\u0648\u0641 \u0646\u0622\u062e\u062f \u0623\u0645\u062b\u0644\u0629<\/div>\n
\u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062b\u0627\u0646\u064a\u0629:-<\/div>\n
\u0623\u0648\u0644\u0627:- \u0646\u062d\u0633\u0628 \u0645\u062c\u0645\u0648\u0639 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0645\u0639 \u0642\u064a\u0645\u0629 Old PF<\/div>\n
\u062b\u0627\u0646\u064a\u0627:- \u0646\u062d\u0633\u0628 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0645\u0639 \u0642\u064a\u0645\u0629 New PF<\/div>\n
\u0628\u0639\u062f\u064a\u0646 \u0646\u0639\u0648\u0636 \u0641\u0649 \u0627\u0644\u0645\u0639\u0627\u062f\u0644\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629<\/div>\n
Total Load KVAR= KWX([(\u221a1-(old p.f)2) \/ old p.f]- [(\u221a1-(New p.f)2) \/ New p.f])<\/div>\n
\u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062b\u0627\u0644\u062b\u0629:- \u0646\u0639\u0648\u0636 \u0641\u0649 \u0627\u0644\u0645\u0639\u0627\u062f\u0644\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629<\/div>\n
Total Load KVAR1= KWX (tan\u01fe1- tan\u01fe2)<\/div>\n
\u03b81 = Cos-1 = (PF old ) Tan \u03b81<\/div>\n
\u03b82 = Cos-1 = (PF New ) Tan \u03b82<\/div>\n
tan\u01fe1=Arcos(old)<\/div>\n
tan\u01fe2=Arcos( new)<\/div>\n<\/div>\n
\n
\u0645\u062b\u0627\u0644 :- \u064a\u0648\u062c\u062f \u0639\u062f\u062f 2 \u0645\u0648\u062a\u0648\u0631 \u0627\u0644\u062d\u0645\u0644 \u0644\u0643\u0644 \u0645\u0648\u062a\u0648\u0631 18.5 \u0643\u064a\u0644\u0648 \u0648\u0627\u062a \u0648\u0627\u0644\u062c\u0647\u062f \u0644\u0647 415 \u0641\u0648\u0644\u062a \u0648\u0627\u0644\u0643\u0641\u0627\u0621\u0629 \u0644\u0647 90% \u0648\u0642\u064a\u0645\u0629 PF=0.82 \u0627\u062d\u0633\u0628 \u0633\u0639\u0629 Capacitor Bank \u0648\u0643\u0627\u0646\u062a \u0642\u064a\u0645\u0629 New PF=0.98<\/div>\n
\u0627\u0644\u062d\u0644<\/div>\n
\u0623\u0648\u0644\u0627:- \u062d\u0633\u0627\u0628 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0643\u0644\u0649<\/div>\n
Total Load KW =Kw \/ Efficiency=(18.5\u00d72) \/ 90%=41.1 KW<\/div>\n
\u062b\u0627\u0646\u064a\u0627 :- \u062d\u0633\u0627\u0628 \u0642\u064a\u0645\u0629 KVAR<\/div>\n
\u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0623\u0648\u0644\u0649 :- \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062c\u062f\u0627\u0648\u0644 Capacitor Bank<\/div>\n
\u0647\u0646\u062e\u062a\u0627\u0631 \u0645\u0646 \u0627\u0644\u062c\u062f\u0648\u0644 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0648\u0627\u0642\u0639\u0647 \u0628\u064a\u0646 Old &New power factor \u0647\u062a\u0643\u0648\u0646 \u0627\u0644\u0642\u064a\u0645\u0629 0.489<\/div>\n<\/div>\n
\n
KVAR= Select Value X total connect load<\/div>\n
KVAR= 0.489 X 18.5KW=20 KVAR.<\/div>\n
\u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062b\u0627\u0646\u064a\u0629 :-<\/div>\n
Total Load KVA (old)= KW \/Old PF= 41.1 \/0.82=50.1 KVA<\/div>\n
Total Load KVA (new) = KW \/New PF= 41.1 \/0.98= 41.9KVA<\/div>\n
Total Load KVAR= KWX([(\u221a1-(old p.f)2) \/ old p.f]- [(\u221a1-(New p.f)2) \/ New p.f])<\/div>\n
\u0646\u0642\u0648\u0645 \u0628\u0627\u0644\u062a\u0639\u0648\u064a\u0636 \u0641\u0649 \u0627\u0644\u0645\u062b\u0627\u0644<\/div>\n
Total Load KVAR1=41.1x([(\u221a1-(0.82)2) \/ 0.82]- [(\u221a1-(0.98)2) \/ 0.98])<\/div>\n
Total Load KVAR=20.35 KVAR<\/div>\n
\u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062b\u0627\u0644\u062b\u0629 :-<\/div>\n
tan\u01fe1=Arcos(0.82)=0.69<\/div>\n
tan\u01fe2=Arcos(0.98)=0.20<\/div>\n
Total Load KVAR=<\/div>\n
KWX (tan\u01fe1- tan\u01fe2) =41.1(0.69-0.20)=20.35 KVAR<\/div>\n
\u062b\u0627\u0644\u062b\u0627:- \u062d\u0633\u0627\u0628 Leading KVAR \u0644\u0643\u0644 \u0641\u0627\u0632\u0629<\/div>\n
Leading KVAR supplied by each Phase= Kvar\/No of Phase<\/div>\n
Leading KVAR supplied by each Phase =20\/3=6.66 Kvar\/Phase<\/div>\n
\u0631\u0627\u0628\u0639\u0627:- \u062d\u0633\u0627\u0628 \u062a\u064a\u0627\u0631 Capacitor Charging<\/div>\n
Capacitor Charging Current (Ic)= (Kvar\/Phase x1000)\/Volt<\/div>\n
Capacitor Charging Current (Ic)= (6.66\u00d71000)\/(415\/\u221a3)=27.7 Amp<\/div>\n<\/div>\n
\n
\u062e\u0627\u0645\u0633\u0627 :- \u062d\u0633\u0627\u0628 \u0633\u0639\u0629 \u0627\u0644\u0645\u0643\u062b\u0641\u0627\u062a<\/div>\n<\/div>\n
\n
\u064a\u0648\u062c\u062f \u0637\u0631\u064a\u0642\u062a\u064a\u0646<\/div>\n
\u0627\u0644\u0623\u0648\u0644\u0649:-<\/div>\n
Capacitance of Capacitor = Capacitor Charging Current (Ic)\/ Xc<\/div>\n
Xc=2 x 3.14 x f x v=2\u00d73.14 x 50 x(415\/\u221a3)=75362<\/div>\n<\/div>\n
\n
Capacitance of Capacitor=27.7\/75362= 379 \u00b5F<\/div>\n
\u0627\u0644\u062b\u0627\u0646\u064a\u0629:-<\/div>\n
IC = V\/ XC<\/div>\n
Whereas XC = 1 \/ 2 \u03c0 F C<\/div>\n
IC = V \/ (1 \/ 2 \u03c0 F C)<\/div>\n
IC = V 2 F C<\/div>\n<\/div>\n
\n
\u0633\u0627\u062f\u0633\u0627 :- \u062d\u0633\u0627\u0628 \u0627\u0644\u0641\u064a\u0648\u0632 HRC<\/div>\n<\/div>\n
\n
\u0633\u0639\u0629 \u0627\u0644\u0641\u064a\u0648\u0632 \u0647\u062a\u0643\u0648\u0646 \u0627\u0644\u0642\u064a\u0645\u0629 \u0645\u0646 165% \u0627\u0644\u0649 200% \u0645\u0646 \u0627\u0644\u062a\u064a\u0627\u0631<\/div>\n
Size of the fuse =165% to 200% of Capacitor Charging current.<\/div>\n
Size of the fuse=2\u00d727.7=50 Amp<\/div>\n<\/div>\n
\n
\u0633\u0627\u0628\u0639\u0627:-\u062d\u0633\u0627\u0628 \u0627\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u0649<\/div>\n<\/div>\n
\n
\u0633\u0639\u0629 \u0627\u0644\u0642\u0627\u0637\u0639 \u0647\u062a\u0643\u0648\u0646 \u0628\u064a\u0646 135% \u0627\u0644\u0649 150% \u0645\u0646 \u0627\u0644\u062a\u064a\u0627\u0631<\/div>\n<\/div>\n
\n
Size of the Circuit Breaker=1.5\u00d727.7 =40 Amp<\/div>\n<\/div>\n
\n
1- Thermal relay setting between 1.3 and 1.5 of Capacitor Charging current.<\/div>\n
2-Magnetic relay setting between 5 and 10 of Capacitor Charging current<\/div>\n<\/div>\n
\n
\u062b\u0627\u0645\u0646\u0627:- \u062d\u0633\u0627\u0628 \u0627\u0644\u0643\u0627\u0628\u0644 \u0627\u0644\u0645\u063a\u0630\u0649 \u0644Capacitor Bank<\/div>\n<\/div>\n
\n
Cables size= 1.3 x1.1 x nominal capacitor Current<\/div>\n
Cable Size = 1.43×27.7=39 Amp<\/div>\n<\/div>\n
\n
\u0628\u0639\u062f\u064a\u0646 \u0646\u062e\u062a\u0627\u0631 \u0627\u0642\u0631\u0628 \u0643\u0627\u0628\u0644 \u0628\u0639\u062f \u062a\u0639\u0648\u064a\u0636 \u0645\u0639\u0627\u0645\u0644\u0627\u062a De rating Factor<\/div>\n<\/div>\n
\n
<\/div>\n
<\/div>\n
\u0644\u062a\u062d\u0645\u064a\u0644 \u0627\u0644\u0645\u0630\u0643\u0631\u0629<\/div>\n
\u0645\u0646 \u0647\u0646\u0627<\/a><\/div>\n
\u0645\u0646\u0642\u0648\u0644 \u0645.\u0627\u062d\u0645\u062f \u0639\u064a\u0633\u0649<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\u062d\u0633\u0627\u0628 \u0633\u0639\u0629 capacitor Bank \u064a\u0648\u062c\u062f \u0645\u062c\u0645\u0648\u0639\u0629 \u0643\u0628\u064a\u0631\u0647 \u0645\u0646 \u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u062d\u0633\u0627\u0628\u064a\u0629 \u0644\u0645\u0639\u0631\u0641\u0629 \u0633\u0639\u0629 Capacitor Bank \u0633\u0648\u0641 \u0646\u0642\u0648\u0645 \u0628\u0625\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0639\u0638\u0645 \u0627\u0644\u0637\u0631\u0642 \u0648\u0623\u0643\u062b\u0631\u0647\u0645 \u062f\u0642\u0629. \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0623\u0648\u0644\u0649 :- \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062c\u062f\u0627\u0648\u0644 \u0644\u062d\u0633\u0627\u0628\u0627\u062a Capacitor Bank \u0648\u0633\u0648\u0641 \u0646\u0622\u062e\u062f \u0623\u0645\u062b\u0644\u0629 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062b\u0627\u0646\u064a\u0629:- \u0623\u0648\u0644\u0627:- \u0646\u062d\u0633\u0628 \u0645\u062c\u0645\u0648\u0639 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0645\u0639 \u0642\u064a\u0645\u0629 Old PF \u062b\u0627\u0646\u064a\u0627:- \u0646\u062d\u0633\u0628 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0645\u0639 \u0642\u064a\u0645\u0629 New PF \u0628\u0639\u062f\u064a\u0646 \u0646\u0639\u0648\u0636 \u0641\u0649 \u0627\u0644\u0645\u0639\u0627\u062f\u0644\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 […]<\/p>\n","protected":false},"author":1,"featured_media":2500,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/i77.servimg.com\/u\/f77\/11\/69\/01\/28\/12806110.jpg","fifu_image_alt":"\u062d\u0633\u0627\u0628 \u0633\u0639\u0629 capacitor Bank","footnotes":""},"categories":[47,9],"tags":[],"class_list":["post-2495","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-47","category-9"],"_links":{"self":[{"href":"https:\/\/elecgate.com\/index.php?rest_route=\/wp\/v2\/posts\/2495","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/elecgate.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/elecgate.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/elecgate.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/elecgate.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2495"}],"version-history":[{"count":3,"href":"https:\/\/elecgate.com\/index.php?rest_route=\/wp\/v2\/posts\/2495\/revisions"}],"predecessor-version":[{"id":3403,"href":"https:\/\/elecgate.com\/index.php?rest_route=\/wp\/v2\/posts\/2495\/revisions\/3403"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/elecgate.com\/index.php?rest_route=\/wp\/v2\/media\/2500"}],"wp:attachment":[{"href":"https:\/\/elecgate.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/elecgate.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/elecgate.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}