ʻO nā kumu o ka distortion harmonics

ʻO ka huaʻōlelo "harmonics" he huaʻōlelo ākea a hoʻohana ʻia i nā ʻoihana like ʻole.ʻO ka mea pōʻino, hoʻopiʻi hewa ʻia kekahi mau pilikia uila i ka harmonic.ʻAʻole pono e huikau kēia mau harmonics me ka radio frequency interference (RFI), e kū ana ma nā alapine kiʻekiʻe aʻe ma mua o nā harmonics.He haʻahaʻa nā harmonics laina mana, no laila ʻaʻole lākou e hoʻopilikia i nā hōʻailona LAN uea, kelepona, FM a i ʻole AM ​​radios, a i ʻole nā ​​mea hana e pili pono ana i ka leo kiʻekiʻe.

Hoʻokumu ʻia nā Harmonics e nā ukana laina ʻole.ʻAʻole huki nā haʻawina nonlinear i kēia manawa me ka sinusoidally mai ka pono.ʻO nā hiʻohiʻona o nā ukana laina ʻole e pili ana i nā VFD, EC motors, LED lighting, photocopiers, computers, uninterruptible power supplies, televisions, a me ka hapa nui o nā mea uila me kahi lako mana.ʻO nā kumu koʻikoʻi o ka harmonics i loko o ka hale ka mea maʻamau ʻole linear, ʻekolu-phase mana, a ʻoi aku ka nui o ka mana, ʻoi aku ka nui o nā au harmonic i ka pūnaewele.Hōʻike ka ʻāpana aʻe i ka uila

nā hiʻohiʻona o kahi VFD.ʻO kēia ka mea e hōʻike ai i kahi laʻana o ka haʻawe laina ʻole.Hana ʻia ka hoʻolālā VFD kaulana loa ma o ka lawe ʻana i ʻekolu-phase AC line input voltage a hoʻoponopono i ka volta ma o nā diodes.Hoʻololi kēia i ka volta i kahi uila DC maʻemaʻe ma luna o kahi panakō o nā capacitors.A laila hoʻohuli ka VFD i ka DC i loko o kahi ʻano nalu AC no ka kaʻa i mea e hoʻomalu ai i ka wikiwiki, torque a me ke kuhikuhi o ka motika.Hoʻokumu ʻia ka laina laina ʻole e ka hoʻoponopono ʻana i ka AC-to-DC ʻekolu.ʻO nā pilikia i hoʻokumu ʻia e ka harmonic distortion ʻO ke kiʻekiʻe o ka distortion harmonic i loko o kahi hale hiki ke hana i nā pilikia ākea.ʻO kekahi o nā pilikia e hiki ke loaʻa:

• ʻAʻole hiki i ka wā mua a me ka emi ʻana o ke ola o nā mea hana i ka wā e loaʻa ai ka wela nui, e like me: – Ka wela nui o nā mea hoʻololi, nā kaula, nā mea hoʻopau kaapuni a me nā fuse.

- ʻO ka wela nui o nā kaʻa e hoʻohana pololei ʻia ma ka laina

• Hoʻopilikia i nā huakaʻi haʻihaʻi a me nā fuse ma muli o ka hoʻohui ʻana o ka wela a me ka hoʻouka ʻana

• Paʻa ʻole ka hana ʻana o nā mea hana hoʻihoʻi

• 'O ka hana pa'a 'ole o ka 'elepona ko'iko'i e koi ana i ka nalu sinusoidal AC ma'ema'e

• Nā kukui uila

Nui nā ala e hoʻemi ai i ka harmonics a ʻaʻohe "hoʻokahi nui kūpono i nā mea āpau".He mea hoʻolako ʻoihana ʻo Noker Electrickānana harmonic activeamīkini hana var statik.Inā he nīnau e pili ana i ka harmonic, e ʻoluʻolu e kelepona iā Noker Electric, e hāʻawi mākou iā ʻoe i kahi hopena no ʻoe.