Specification : S = 110 VA (ตามข้อมูลการออกแบบ)
Vprimary = 110 V Vsecondary = 110 V
ค่ากระแสเต็มพิกัด I pri.(Rated)= 1 A I sec.(Rated) = 1A
0. Insulating Resistance
Rprimary = 0 Ω
Rsecondary = 0 Ω
Rprimary to core = 5000 Ω
Rsecondary to core = 5000 Ω
Rpri. to sec = 5000 Ω
1. Transformation Ratio
Plot Vprimary/Vsecondary Curve& Vsecondary/Vprimary Curve
2. Approximated Equivalent Circuit
Rp = 7.975 Ω
Xp = 0.715 Ω
Rc = 1114.256 Ω
Xm = 706.46 Ω
3. Load Test (Constant Input Voltage)
n = 81.97 %
Losses = 25.6 W
S1 = 143.39 VA
S2 = 118.236 VA
Voltage Regulation = 9.58 %
4. Polarity Test
V12 = 59.8 V
V34 = 60.3 V
V13 = 120.2 V
5. Voltage Tapping ( Constant Input Voltage )
6. Step-Down Autotransformer ( Constant Input Voltage )
At Full Load Condition
n = 87.83 %
Losses = 18 W
S1 = 156.2 VA
S2 = 153.86 VA
Voltage Regulation = 6.75 %
กราฟความสัมพันธ์ Losses (W) กับ Load (or Secondary) Current (A)
7. Step-Up Autotransformer ( Constant Input Voltage )
At Full Load Condition
h = 80.94 %
Losses = 28.2 W
S1 = 148.36 VA
S2 = 123.0 VA
Voltage Regulation = 1.39 %
กราฟความสัมพันธ์ Losses (W) กับ Load (or Secondary) Current (A)
8. Voltage Regulator For Fluorescent Lamp 2 X 36 W ( Constant Input Voltage )
At Full Load Condition
h = 90.66 %
Losses = 11.7 W
S1 = 213.4 VA
S2 = 198.16 VA
Voltage Regulation = 0.23 %
กราฟความสัมพันธ์ Losses (W) กับ Load (or Secondary) Current (A)
9. Voltage Regulator For Fluorescent Lamp 2 X 36 W ( Constant Input Voltage )
At Full Load Condition
h = 90.66 %
Losses = 11.7 W
S1 = 213.4 VA
S2 = 198.16 VA
Voltage Regulation = 0.23 %
กราฟความสัมพันธ์ Losses (W) กับ Load (or Secondary) Current (A)
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