Timeline for How do BLDC electronic speed controllers prevent arcing by motor inductance
Current License: CC BY-SA 4.0
9 events
| when toggle format | what | by | license | comment | |
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| Nov 28, 2022 at 1:25 | comment | added | user57037 | @Hearth typical ESCs for hobby use MOSFETs rather than IGBTs. | |
| Nov 27, 2022 at 14:15 | comment | added | user319836 | Thanks @Hearth. Of course they are . I updated, | |
| Nov 27, 2022 at 14:12 | history | edited | user319836 | CC BY-SA 4.0 |
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| Nov 27, 2022 at 8:01 | vote | accept | lotsof one | ||
| Nov 27, 2022 at 3:57 | comment | added | Hearth | The switches are also frequently IGBTs. At least in industrial motor drivers; I don't know about the tiny ones used for hobby motors. | |
| Nov 27, 2022 at 2:50 | comment | added | user319836 | Thanks @mkeith: I have made my meaning clearer. | |
| Nov 27, 2022 at 2:49 | history | edited | user319836 | CC BY-SA 4.0 |
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| Nov 27, 2022 at 1:45 | comment | added | user57037 | If current is flowing from the motor into the ESC, it can flow through D1, D3 or D5. If current is flowing from the ESC into the motor, then it can flow through D2, D4 or D6. Both high side and low side diodes can act to prevent arcing depending on which way the current was flowing at the moment that the switch was turned off. | |
| Nov 27, 2022 at 1:40 | history | answered | user319836 | CC BY-SA 4.0 |