Circuit Breaker Tripping Setting _ Fuse for Motor Protection-1.xlsx

	B	C	D	E	F	G	I	J	K	L	AC	AD	AE	AF	AG	AJ	AK	AL
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2		Motor Protection & Circuit Breaker Tripping Settings
3	Motor Details						Instant.Short Circuit Tripping Setting of C.B					Dol		Alu	AWG
4												Y-D		Cu	mm2
5		Motor Rating	30	Hp	22.38	16.69548	Voltage(L-L)	440	Volt		Hp	Auto Tra.
6		System Voltage V (L-L)	440	Volt	3 Ph		Voltage(L-N)	230	Volt		Kw	Soft
7		Supplay Frequency	60	Hz			Instantaneous Short-Circuit Triping Set	100	Amp		1 Ph	Freq.Conv
8		Pole	4	No	3 Ph		Accuracy	20	%		3 Ph	1.575
9		Motor Spped	1760	Rpm			Cable Size	3cx10	6	0	A	0	3.15
10		Locked Rotor Code	A				Cable Material	Cu			B	3.15	3.55
11		Motor Demand Factor	1				Actual Length of Cable	5	Meter		C	3.55	4
12		Motor Service Factor	1								D	4	4.5			AWG	mm2	Maximum Fuse Size(Amp)
13		Motor Operating Temperature	30	C			Max.Length of Cable for your Tripping setting	333	Meter		E	4.5	5		55	OO	70	400
14		Motor Starting Method	Dol				Tripping Setting of C.B	OK			F	5	5.6			OO	55	325
15		Motor Starting P.F	0.6								G	5.6	6.3			1	50	250
16		Motor Running P.F	0.8								H	6.3	7.1			2	35	200
17		Motor Full Load Efficiency	100	%	1		Selection of Circuit Fuse				J	7.1	8			4	25	125
18		Calculation									K	8	9			6	16	80
19		Motor Consumed Load	22.38	Kw			Circuit Wire /Cable Size	55	mm2		L	9	10			8	10	50
20		Motor Starting Current	367.09	Amp							M	10	11.2			10	6	30
21		Motor Full Load Current	36.71	Amp			Circuit Fuse Size(Max)	325	Amp		N	11.2	12.5			12	4	20
22		Syncronus Speed(Ns)	1800	Rpm							P	12.5	14			14	2.5	15
23		Slip	2%								R	14	16			16	1.5	7.5
24		Locked Rotor Current (LRA)	34.50	Amp			Jignesh.Parmar				S	16	18
25		Motor Protection					jiguparmar@yhaoo.com				T	18	20
26		Maximum Size of OverLoad Perotection	42.22	Amp			www.electricalnotes.wordpress.com				U	20	24
27		Standared(On Time Delay) Fuse (Max)	110.13	Amp							V	24
28		On Time Delay Fuse (Max)	64.24	Amp
29		Instantaneous Trip C.B(Max)	293.67	Amp
30		Inverstime C.B(Max)	91.77	Amp
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