What's the winding for the 3 phase transformer?
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What's the winding for the 3 phase transformer?
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Ideal, single-phase two-winding transformer A single-phase two-winding transformer is rated 20 kVA, 480/120 V, 60 Hz...
Ideal, single-phase two-winding transformer A single-phase two-winding transformer is rated 20 kVA, 480/120 V, 60 Hz A source connected to the 480-V winding supplies an impedance load con- nected to the 120-V winding. The load absorbs 15 kVA at 0.8 p.f. lagging Ideal, single-phase two-winding transformer A single-phase two-winding transformer is rated 20 kVA, 480/120 V, 60 Hz A source connected to the 480-V winding supplies an impedance load con- nected to the 120-V winding. The load absorbs 15 kVA...
Question I The rating of a three phase three winding transformer are: Y-connected 10 KV 40 MVA Secondary Y-connecte...
Question I The rating of a three phase three winding transformer are: Y-connected 10 KV 40 MVA Secondary Y-connected 22 KV 40 MVA A-connected 4 KV 15 MVA Primary Tertiary Neglecting winding resistance and exciting current, the per unit leakage reactance are: Mps 9.6 % pu on 40 MVA, 11022 KV xm = 7.2 % pu on 40 MVA, I 10/ 4 KV Xsti: 12 % pu on 40 MVA, 22/ 4 KV Determine the era nyimpedances of the transformer...
Draw schematic (connection) diagrams for three-phase Y-Y and Y-Δ connected transformers using three single-phase (50 VA,...
Draw schematic (connection) diagrams for three-phase Y-Y and Y-Δ connected transformers using three single-phase (50 VA, 120V/25V) transformers you have previously worked with in the lab. Show proper dot markings for each configuration. I. 2. Find the line-line voltage ratio (VuVa) for each configuration. For a three-phase Δ-connected resistive load (25 Ω in each leg), connected on the transformer low voltage side, calculate the line current on each side of the transformer for each configuratio Is it safe to operate...
Q6) A 3-phase A/Y transformer is assembled by connecting three 830-VA, 240/120-V single phase transformers. Each...
Q6) A 3-phase A/Y transformer is assembled by connecting three 830-VA, 240/120-V single phase transformers. Each transformer parameters are as follow: Rp 15.5 ,Xp18.2 Q, Rcp 6.54 k2, XMp = 4.64 k Rs 2.4 , Xs2.8 a) Determine the 3-phase transformer bank's ratings (voltages and power). b) Draw the winding arrangements, equivalent Y/Y connections, and per-phase equivalent circuit
Problem 3. A three-phase transformer is constructed using three single-phase two-winding trans- formers, each has the...
Problem 3. A three-phase transformer is constructed using three single-phase two-winding trans- formers, each has the same ratings of 500 MVA, 15/240 kV, and leakage impedance of XT.p.u 0.2 p.u The high-voltage side of the three-phase transformer is connected to a three-phase Y-connected load that absorbs 1000 MVA at 0.9 power factor (lagging). The phase-a voltage across the load is Van 2402(0) kV. Answer the following questions. [10 points] a) Calculate the phase-a voltage at the low-voltage side (denoted by...
06) A 3-phase A/Y transformer is assembled by connecting three 830-VA, 240/120-V single phase transformers. Each...
06) A 3-phase A/Y transformer is assembled by connecting three 830-VA, 240/120-V single phase transformers. Each transformer parameters are as follow: R,-15.5 Ω . X,-18.2 Ω , ROF 6.54k Rs 2.4 Ω . Xs-2.8 Ω . XMP-4.64 Ω a) Determine the 3-phase transformer bank's ratings (voltages and power). b) Draw the winding arrangements, equivalent Y/Y connections, and per-phase equivalent circuit
3) A two-winding transformer, three phase, 345/230 kV has a single phase capacity of 500 MVA:...
3) A two-winding transformer, three phase, 345/230 kV has a single phase capacity of 500 MVA: (a) Determine the total 3-phase capacity, if it is connected as Auto-XMR (b) Determine the voltage and current capacity per each phase Js. LI V, s, V
A 3-phase, 50 Hz, 6600 /1000 /440 Y V. transformer (HELP)
Question: A 3-phase, 50 Hz, 6600 /1000 /440 Y V. transformer. (i) What is the purpose of using three winding transformers? (ii)Determine suitable numbers of turns to ensure the peak flux does not exceed 0.03 Web. (ii) Determine the primary line current and power factor if the 1000 V winding delivers a balanced load of 100 kVA at 0.8 power factor lagging and the 440 V winding delivers a balanced load of 50 kW at unity power factor.
The ratings of a three-phase, three-winding transformer are Y connected, 66 kV, 20 MVA Primary (1):...
The ratings of a three-phase, three-winding transformer are Y connected, 66 kV, 20 MVA Primary (1): Secondary (2):Y connected, 13.2 kV, 15 MVA Tertiary (3): A connected, 2.3 kV, 5 MVA Neglecting winding resistances and exciting current, the per-unit leakage reactances are: X12 0.08 on a 20-MVA, 66-kV base X13 0.10 on a 20-MVA, 66-kV base X23 0.09 on a 15-MVA, 13.2-kV base (a) Determine the per-unit reactances Xi, X2, X3 of the equivalent circuit on a 20- MVA, 66-kV...
Show how winding of delta-Y Transformer or Y-delta Transformer an be arranged in a way that...
Show how winding of delta-Y Transformer or Y-delta Transformer an be arranged in a way that always high voltage side lead the low voltage side if positive sequence is applied.
Ideal, single-phase two-winding transformer A single-phase two-winding transformer is rated 20 kVA, 480/120 V, 60 Hz A source connected to the 480-V winding supplies an impedance load con- nected to the 120-V winding. The load absorbs 15 kVA at 0.8 p.f. lagging Ideal, single-phase two-winding transformer A single-phase two-winding transformer is rated 20 kVA, 480/120 V, 60 Hz A source connected to the 480-V winding supplies an impedance load con- nected to the 120-V winding. The load absorbs 15 kVA...
Question I The rating of a three phase three winding transformer are: Y-connected 10 KV 40 MVA Secondary Y-connected 22 KV 40 MVA A-connected 4 KV 15 MVA Primary Tertiary Neglecting winding resistance and exciting current, the per unit leakage reactance are: Mps 9.6 % pu on 40 MVA, 11022 KV xm = 7.2 % pu on 40 MVA, I 10/ 4 KV Xsti: 12 % pu on 40 MVA, 22/ 4 KV Determine the era nyimpedances of the transformer...
Draw schematic (connection) diagrams for three-phase Y-Y and Y-Δ connected transformers using three single-phase (50 VA, 120V/25V) transformers you have previously worked with in the lab. Show proper dot markings for each configuration. I. 2. Find the line-line voltage ratio (VuVa) for each configuration. For a three-phase Δ-connected resistive load (25 Ω in each leg), connected on the transformer low voltage side, calculate the line current on each side of the transformer for each configuratio Is it safe to operate...
Q6) A 3-phase A/Y transformer is assembled by connecting three 830-VA, 240/120-V single phase transformers. Each transformer parameters are as follow: Rp 15.5 ,Xp18.2 Q, Rcp 6.54 k2, XMp = 4.64 k Rs 2.4 , Xs2.8 a) Determine the 3-phase transformer bank's ratings (voltages and power). b) Draw the winding arrangements, equivalent Y/Y connections, and per-phase equivalent circuit
Problem 3. A three-phase transformer is constructed using three single-phase two-winding trans- formers, each has the same ratings of 500 MVA, 15/240 kV, and leakage impedance of XT.p.u 0.2 p.u The high-voltage side of the three-phase transformer is connected to a three-phase Y-connected load that absorbs 1000 MVA at 0.9 power factor (lagging). The phase-a voltage across the load is Van 2402(0) kV. Answer the following questions. [10 points] a) Calculate the phase-a voltage at the low-voltage side (denoted by...
06) A 3-phase A/Y transformer is assembled by connecting three 830-VA, 240/120-V single phase transformers. Each transformer parameters are as follow: R,-15.5 Ω . X,-18.2 Ω , ROF 6.54k Rs 2.4 Ω . Xs-2.8 Ω . XMP-4.64 Ω a) Determine the 3-phase transformer bank's ratings (voltages and power). b) Draw the winding arrangements, equivalent Y/Y connections, and per-phase equivalent circuit
3) A two-winding transformer, three phase, 345/230 kV has a single phase capacity of 500 MVA: (a) Determine the total 3-phase capacity, if it is connected as Auto-XMR (b) Determine the voltage and current capacity per each phase Js. LI V, s, V
The ratings of a three-phase, three-winding transformer are Y connected, 66 kV, 20 MVA Primary (1): Secondary (2):Y connected, 13.2 kV, 15 MVA Tertiary (3): A connected, 2.3 kV, 5 MVA Neglecting winding resistances and exciting current, the per-unit leakage reactances are: X12 0.08 on a 20-MVA, 66-kV base X13 0.10 on a 20-MVA, 66-kV base X23 0.09 on a 15-MVA, 13.2-kV base (a) Determine the per-unit reactances Xi, X2, X3 of the equivalent circuit on a 20- MVA, 66-kV...
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