| dc.contributor | Asia Turbomachinery & Pump Symposium (2nd : 2021) | |
| dc.creator | Kanchana, Pongphop | |
| dc.creator | Kuramoto, Khattiya | |
| dc.creator | Mukdaburapha, Supakorn | |
| dc.creator | Lekmanee, Pattamon | |
| dc.date.accessioned | 2023-02-23T20:10:41Z | |
| dc.date.available | 2023-02-23T20:10:41Z | |
| dc.date.issued | 2021 | |
| dc.identifier.uri | https://hdl.handle.net/1969.1/197488 | |
| dc.description | Case Studies | |
| dc.description.abstract | The centrifugal blower equipped with variable-frequency-drive (VFD) motor services in petrochemicalplant The unit was experienced many times of coupling failures after replacement new VFD,metallurgical study indicated torsional fatigue crack Supported by API 684, the VFD has beensuspected of the torsional excitation source Consequently, the torsional vibration was measured inthis study interacted with VFD characteristic The results showed operating with Direct Torque ControlMode, the oscillating torque increased dramatically due to closed-loop control interaction, to maintainthe speed of motor precisely by adjusting the internal torque reference Proper tune of speedcontroller parameters minimize oscillating torque less than five times Also, switching control mode toscalar mode, without closed-loop interaction, the torsional excitation was greatly reducedAs a result, it is decided to configure VFD operating in scalar mode control and compare the actualtorque was evaluated to the limited torque which coupling manufacturer recommended | |
| dc.format.medium | Electronic | |
| dc.format.mimetype | application/pdf | |
| dc.language.iso | en | |
| dc.publisher | Turbomachinery Laboratory, Texas A&M Engineering Experiment Station | |
| dc.relation.ispartof | Asia Turbomachinery & Pump Symposia. 2021 Proceedings | |
| dc.title | CS17: Torsional vibration problem with recirculation gas blower due to variable frequency drive | |
| dc.type.genre | conference publication | |
| dc.type.material | Text | |
| dc.format.digitalOrigin | born digital | |
