Download Motor Starting Study Exercise ETAP PDF

TitleMotor Starting Study Exercise ETAP
File Size126.3 KB
Total Pages5
Table of Contents
                            Element
Accel T
	No Load
Accel T
Full Load
St
Load*
Final
Load
T
	Begin
T
Final
Mtr 1
2
4
100
100
0
0
Mtr 2
1
2
100
100
0
0
Syn 1
2
4
25
90
1
5
Element
	Mtr Model *
Load Model
H
Mtr 1
Single 2, HV-HS-LT, MV500HP2P
FAN
0.4
Mtr 2
Charac., LV-HS-HT, LV200HP2P
a k**3
0.2
Syn 1
Single 2, HV-HS-HT, MV1000HP2P
Recip. Comp
.5
Element
	Mtr Model
Normal
Mtr 1, Mtr 4
Back Up
Mtr 2, Mtr 3
	Study Case: MSCase-1
Time
Parameter Setting
0.2 second
Start Mtr 5, at 60% load and ramp load from 60% to 100 % in 3 seconds.
Switch on static load Load 2, Loading Category: Design
3 second
Start all motors in the system belong to Normal Category
	Starting Device
Current Control
Capacitor at Bus/Terminal
Speed
Setting
Type
Speed
Setting
Type
0
400%
Fixed
0
1000 kvar
Fixed
2
400%
Fixed
95
Remove
2
200 or 250%
Ramp
95
400%
Fixed
95
Remove
	Study Case: MSCase-2
Time
Parameter Setting
0.2 second
Start all motors in the system belongs to Backup Category
Switch on static load Load 1, Design category
3 second
Start OpenMOV and ClosedMOV
	Study Case: MSCase-3
Time
Parameter Setting
0.2 second
Switch on static load Load 1, Design category
3 second
Start OpenMOV and ClosedMOV
5 second
Start all motors in the system belonging to Backup Category
	Study Case: MSCase-4
Time
Parameter Setting
0.2 second
Switch to Normal Load Category
Exclude MV loads >= 5000 kVA
3 second
Switch to Winter Load Category
Exclude MV loads >= 1200 kVA
Exclude MV loads >= 1000 kVA
                        

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