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ssrs barcodelib IC 81:0 189:98 A in Software
IC 81:0 189:98 A QR Code 2d Barcode Scanner In None Using Barcode Control SDK for Software Control to generate, create, read, scan barcode image in Software applications. Generating QRCode In None Using Barcode generation for Software Control to generate, create QR Code image in Software applications. Obtain the readings of wattmeters in lines (a) A and B, (b) B and C. Ans: a 7.52 kW, 24.8 kW; (b) 16.16 kW, 16.16 kW 11.37 Two wattmeters in a threephase, threewire system with e ective line voltage 120 V read 1500 W and 500 W. What is the impedance of the balanced connected load Ans: 16:3 40:98 A threephase, threewire, ABC system has e ective line voltage 173.2 V. Wattmeters in lines A and B read 301 W and 1327 W, respectively. Find the impedance of the balanced Yconnected load. (Since the sequence is speci ed, the sign of the impedance angle can be determined.) Ans: 10 708 A threephase, threewire system, with a line voltage VBC 339:4 08 V, has a balanced Yconnected load of ZY 15 608 . The lines between the system and the load have impedances 2:24 26:578 . Find the linevoltage magnitude at the load. Ans: 301.1 V Repeat Problem 11.39 with the load impedance ZY 15 608 . By drawing the voltage phasor diagrams for the two cases, illustrate the e ect of load impedance angle on the voltage drop for a given line impedance. Ans: 332.9 V A threephase generator with an e ective line voltage of 6000 V supplies the following four balanced loads in parallel: 16 kW at pf 0:8 lagging, 24 kW at pf 0:6 lagging, 4 kW at pf 1, and 1 kW at pf 0:1 leading. (a) Find the total average power (P) supplied by the generator, reactive power (Q), apparent power (S), power factor, and e ective value of line current. (b) Find the amount of reactive load Qc to be added in parallel to produce an overall power factor of 0.9 lagging, then nd apparent power and e ective value of line current. Ans: a P 45 kW, Q 34:05 kvar, S 56:43 kVA, pf 0:8 lagging, IL 5:43 A, (b) QC 12:25 kvar, S 50 kVA, IL 5:35 A A balanced connected load with impedances Z 6 j9 is connected to a threephase generator with an e ective line voltage of 400 V. The lines between the load and the generator have resistances of 1 each. Find the e ective line current, power delivered by the generator, and power absorbed by the load. Ans: IL 54:43 A, Pg 26666 W, P 17777 W In Problem 11.42, nd the e ective line voltage at the load. Ans: VL 340 V A threephase generator feeds two balanced loads (9 kW at pf 0:8 and 12 kW at pf 0:6, both lagging) through three cables (0.1 each). The generator is regulated such that the e ective line voltage at the load is 220 V. Find the e ective line voltage at the generator. Ans: 230 V A balanced connected load has impedances 45 j60 . e ective line voltage of: (a) 400 V, (b) 390 V. Ans: a 3:84 kW, (b) 3.65 kW Find the average power delivered to it at an QR Code JIS X 0510 Recognizer In None Using Barcode recognizer for Software Control to read, scan read, scan image in Software applications. QRCode Creation In Visual C# Using Barcode drawer for Visual Studio .NET Control to generate, create QR Code JIS X 0510 image in VS .NET applications. Obtain the change in average power delivered to a threephase balanced load if the line voltage is multiplied by a factor . Ans: Power is multiplied by the factor 2 A threephase, threewire source supplies a balanced load rated for 15 kW with pf 0:8 at an e ective line voltage of 220 V. Find the power absorbed by the load if the three wires connecting the source to the load have resistances of 0.05 each and the e ective line voltage at the source is 220 V. Use both a simpli ed Print Quick Response Code In .NET Using Barcode printer for ASP.NET Control to generate, create Denso QR Bar Code image in ASP.NET applications. Denso QR Bar Code Drawer In Visual Studio .NET Using Barcode generation for VS .NET Control to generate, create Quick Response Code image in Visual Studio .NET applications. POLYPHASE CIRCUITS
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Code39 Encoder In None Using Barcode creation for Software Control to generate, create ANSI/AIM Code 39 image in Software applications. Bar Code Drawer In None Using Barcode generation for Software Control to generate, create bar code image in Software applications. approximation and also an exact method. Ans: 14:67 kW (by an approximate method), 14.54 kW (by an exact method) 11.48 In Problem 11.47 determine the e ective value of line voltage such that the load operates at its rated values. Ans: 222.46 V (by an approximate method), 221.98 V (by an exact method) What happens to the quantity of power supplied by a threephase, threewire system to a balanced load if one phase is disconnected Ans: Power is halved. A threephase, threewire generator with e ective line voltage 6000 V is connected to a balanced load by three lines with resistances of 1 each, delivering a total of 200 kW. Find the e ciency (the ratio of power absorbed by the load to power delivered by the system) if the power factor of the generator is (a) 0.6, (b) 0.9 Ans. (a) 98.5 percent (b) 99.3 percent. A 60Hz threephase, threewire system with terminals labeled 1; 2; 3 has an e ective line voltage of 220 V. To determine if the system is ABC or CBA, the circuit of Fig. 1135 is tested. Find the e ective voltage between node 4 and line 2 if the system is (a) ABC, (b) CBA. Ans: a 80.5 V; (b) 300.5 V Data Matrix Generator In None Using Barcode printer for Software Control to generate, create Data Matrix image in Software applications. Generate UPC A In None Using Barcode maker for Software Control to generate, create GS1  12 image in Software applications. Fig. 1135 Drawing Identcode In None Using Barcode generation for Software Control to generate, create Identcode image in Software applications. Scan Bar Code In Java Using Barcode scanner for Java Control to read, scan read, scan image in Java applications. Bar Code Maker In Visual C# Using Barcode generator for .NET Control to generate, create barcode image in VS .NET applications. Encode Bar Code In ObjectiveC Using Barcode generator for iPad Control to generate, create barcode image in iPad applications. GS1 128 Creation In None Using Barcode drawer for Online Control to generate, create GTIN  128 image in Online applications. Creating Bar Code In .NET Using Barcode generator for ASP.NET Control to generate, create barcode image in ASP.NET applications. GTIN  128 Encoder In None Using Barcode drawer for Microsoft Word Control to generate, create GTIN  128 image in Office Word applications. Drawing Code39 In Java Using Barcode generation for Java Control to generate, create Code 39 Extended image in Java applications. 
