An ideal dc generator has regulation of 40% O 20% 30% O Zero
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- If we need to use a DC generator witha very good voltage regulation we choose: * DC Generators cannot give very good Voltage Regulation Separately-Excited DC Generator Self-Excited Shunt wound DC Generator Self-Excited Series wound DC GeneratorA dc 4 pole lap wound generator is running at 1000 rpm having 1200 conductors and flux density is 10 mwb. find the generated emf * O 10 V O 200 V O 100 V O 20 VThe terminal voltage of a 150 kW series generator is 600 V at rated load. The armature resistance is 0.06 ohms and the series field resistance is 0.04 ohms. Find generated emf.
- A DC generator with 8 pole, duplex lap winding excited with a flux of 3mWb/ pole. The number of parallel path in the winding is A 12 B 8 C 16 D 4The type generator field winding is supplied from the external D.C. source. O Compound Self excited O Shunt separately excitedQ- In a DC generator, what will be change in emf induced if flux is reduced by 20% and the speed is increased by 20%.
- The type generator field winding is supplied from the external D.C. source. separately excited Compound Shunt Self excitedA 6 pole DC wave wound generator has 28 armature conductors with flux per pole is 23 mWb and the e.m.f generated is 64 V, then the speed of the machine is O 99.38 rps O 0.63 rps O 33.13 rps O 6.34 rps The thermocouples are suitable for temperature measurement applications in the range of 200°C to over 2000°C. Select one: O True O FalseQuèstion 7 A shunt generator running at 1000 r.p.m. has generated e.m.f. as 300 V. If the speed increases to 1200 r.p.m., the generated e.m.f. will be nearly 300 480 420 360 A Movinn to another ouestion will caro thic roenonco P Type here to search O O O O
- The open-circuit characteristic of a DC generator is also called as characteristics. O internal O performance external O no load saturationA 6 pole DC lap wound generator has 41 armature conductors with flux per pole is 23 mWb and the e.m.f generated is 80 V, then the speed of the machine is O 0.74 rps O 84.84 rps O 7.43 rps 84.84 rpsThe load characteristic curve of the DC generator is the relationship between the O Load current and load voltage Generated voltage and field current O Generated voltage and load current O Load voltage and field current