1.8.Îïûò õîëîñòîãî õîäà

 

13

 

Ðèñ. 1.13 – Ñõåìà ïðîâåäåíèÿ îïûòà ÕÕ

 

 

                                                                                                     (1.30)

==n                                                                                             (1.31)

-ïîòåðè â ñòàëè.

14

à)                                                                                        á)

Ðèñ. 1.14 - Ýêâèâàëåíòíàÿ ñõåìà òðàíñôîðìàòîðà íà ÕÕ.

 

=                                                                                                   (1.32)

==                                                                                          (1.33)

=                                                                                                     (1.34)

=                                                                                                      (1.35)

=                                                                                                  (1.36)

=                                                                                            (1.37)

                                                                                                     (1.38)

1.9.Îïûò ÊÇ

 

 îòëè÷èå îò ÕÕ íåëüçÿ ïðîâîäèòü ïðè íîìèíàëüíîì âõîäíîì íàïðÿæåíèè ò.ê. ÊÇ – àâàðèéíûé ðåæèì.

Ïðè ïðîâåäåíèè îïûòà ÊÇ:

15

Ðèñ. 1.5 – Ñõåìà ïðîâåäåíèÿ îïûòà ÊÇ

 

 (ïðèìåðíî 1-3%)     

Íà âõîäå äåéñòâóåò ìàëîå íàïðÿæåíèå , òî ìàëà è ÝÄÑ (ïðîòèâî-ÝÄÑ), óðàâíîâåøèâàþùåé åãî, à çíà÷èò, ìàë è ìàãíèòíûé ïîòîê, åå ñîçäàþùèé.

 Ïðè ìàëîì ïîòîêå ïîòåðÿìè â ñòàëè ìîæíî ïðåíåáðå÷ü.

 

(ñõåìà)

 

(ïîòåðè â ìåäè)                                                                                 (1.39)

                                                                                            (1.40)

                                                                                                 (1.41)

                                                                                                  (1.42)

                                                                                                 (1.43)

                                                                                        (1.44)

Âî ìíîãèõ ñëó÷àÿõ:

;                                                                          (1.45)

Îïûò ÊÇ ñóùåñòâåííî äîïîëíÿåò îïûò ÕÕ, è âìåñòå îíè äàþò âîçìîæíîñòü ýêîíîìè÷íî, ñ òðåáóåìîé òî÷íîñòüþ îöåíèò ïàðàìåòðû ýêâèâàëåíòíîé ñõåìû òðàíçèñòîðà.