High Speed Dynamo Electric Machinery
High Speed Dynamo Electric Machinery
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The following data for a rotating armature compounding machine and for a rotating field design for the same output, etc., are taken from Heyland's article.* * Electrician, Vol. LVIII, p. !
804 CX)NSTRUCTION OF HIGH SPEED ALTERNATORS.
TABLE 41.
COMPARISON OF HEYLAND SELF-COMPOUNDING ALTERNATOR WITH ORDINARY ROTATING FIELD ALTERNATOR.
Heyland Rotating Armature Design.
Field Design.
Output in kilowatts Speed in revolutions per minute ....
Frequency Voltage drop non-inductive load ....
Voltage drop... purely inductive load . . .
Armature diameter D 500 3,000 50 -^0 -^0 60 cm.
50 cm.
0.5 cm.
90 cm.
1.5 cm.
1,400 kg.
600 kg.
300 kg.
150 kg.
500 3,000 50 a 54 cm.
Gross core length Xg Air gap External diameter of frame Air sao of exciter 70 cm.
2.0 cm.
100 cm.
Weight of active material in the alterna- tor and exciter (approx.) (1) Steel magnet frame (2) Armature stampings (3^ Field coDoer 600 kg.
2,100 kg.
600 kg.
150 kg.
(A^ Armature Conner Total 2,350 kg.
3,450 kg.
Losses in alternator and exciter (1) Iron losses 5,000 watts 2,000 watts 3,000 watts 15,000 watts (2) Copper losses in field winding at non-inductive full load (3) Copper losses in armature at non- mductive full load 6,000 watts 3,000 watts Total • 10,000 watts 24,000 watts CHAPTER XII.
What to read after High Speed Dynamo Electric Machinery?
You can find similar books in the "Read Also" column, or choose other free books by H M Henry Metcalf Hobart to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The following data for a rotating armature compounding machine and for a rotating field design for the same output, etc., are taken from Heyland's article.* * Electrician, Vol. LVIII, p. !
804 CX)NSTRUCTION OF HIGH SPEED ALTERNATORS.
TABLE 41.
COMPARISON OF HEYLAND SELF-COMPOUNDING ALTERNATOR WITH ORDINARY ROTATING FIELD ALTERNATOR.
Heyland Rotating Armature Design.
Field Design.
Output in kilowatts Speed in revolutions per minute ....
Frequency Voltage drop non-inductive load ....
Voltage drop... purely inductive load . . .
Armature diameter D 500 3,000 50 -^0 -^0 60 cm.
50 cm.
0.5 cm.
90 cm.
1.5 cm.
1,400 kg.
600 kg.
300 kg.
150 kg.
500 3,000 50 a 54 cm.
Gross core length Xg Air gap External diameter of frame Air sao of exciter 70 cm.
2.0 cm.
100 cm.
Weight of active material in the alterna- tor and exciter (approx.) (1) Steel magnet frame (2) Armature stampings (3^ Field coDoer 600 kg.
2,100 kg.
600 kg.
150 kg.
(A^ Armature Conner Total 2,350 kg.
3,450 kg.
Losses in alternator and exciter (1) Iron losses 5,000 watts 2,000 watts 3,000 watts 15,000 watts (2) Copper losses in field winding at non-inductive full load (3) Copper losses in armature at non- mductive full load 6,000 watts 3,000 watts Total • 10,000 watts 24,000 watts CHAPTER XII.
What to read after High Speed Dynamo Electric Machinery?
You can find similar books in the "Read Also" column, or choose other free books by H M Henry Metcalf Hobart to read onlineMoreLess
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