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SINGLE-ENERGY TRANSIENTS. 25

The magnetic flux is ^CI>₀ - 8 X 10⁶_? and with 4 n total turns
the total number of magnetic interlinkages thus is

4 n*₀ » 32 n X 10^fi,

hence the inductance

_r 4n*olO""⁸ .32 n,

£ SB __^_; „„., « _._tl., henrys.

The field excitation IB

nto » 6000 ampere turns,

hence

6000

hence
and

_r ,32 X 6000 .

L » — , -_s - henrys,

_m L 1920

3.84 sec.

500

That is, the Btored magnetic energy could maintain full field

excitation for nearly 4 Hocondn.

It IB intonating to note that the duration of the field discharge
does not depend on the voltage, current, or nize of the machine,

but merely on, first, the magnetic*, flux and nun»l,~ which

determine the Btored magnetic, energy, — and, second, on the
excitation power, which determines the rate of energy dissipation.
15. AtiHinno now that in the moment where the transient be-
gins the resistance of the coil in Fig, 10 in increased, that is, the

Tmntdant.

coil m not Hhort-drouiteti u|x>n itaelf, but its circuit by n

resifttiinfe r'. iSuch woul(i_r for instance, to the ewe In fig. 12,
when opening the »witch W.



SINGLE-ENERGY TRANSIENTS. 25 The magnetic flux is ^CI>₀ - 8 X 10⁶_? and with 4 n total turns the total number of magnetic interlinkages thus is 4 n₀ » 32 n X 10^fi, hence the inductance _r 4nolO""⁸ .32 n, £ SB __^_; „„., « _._tl., henrys.

The field excitation IB nto » 6000 ampere turns,

hence

6000

hence and	n _r ,32 X 6000 . L » — , -_s - henrys,

_m L 1920		3.84 sec.
500		3.84 sec.

That is, the Btored magnetic energy could maintain full field excitation for nearly 4 Hocondn. It IB intonating to note that the duration of the field discharge does not depend on the voltage, current, or nize of the machine, but merely on, first, the magnetic*, flux and nun»l,~ which determine the Btored magnetic, energy, — and, second, on the excitation power, which determines the rate of energy dissipation. 15. AtiHinno now that in the moment where the transient be- gins the resistance of the coil in Fig, 10 in increased, that is, the

			Tmntdant.

coil m not Hhort-drouiteti u\|x>n itaelf, but its circuit by n resifttiinfe r'. iSuch woul(i_r for instance, to the ewe In fig. 12, when opening the »witch W.