{"id":2322,"date":"2026-08-06T09:00:00","date_gmt":"2026-08-06T01:00:00","guid":{"rendered":"https:\/\/cnbygele.com\/blog\/mining-conveyor-vfd-harmonics-measurement\/"},"modified":"2026-08-24T17:24:35","modified_gmt":"2026-08-24T09:24:35","slug":"mining-conveyor-vfd-harmonics-measurement","status":"publish","type":"post","link":"https:\/\/cnbygele.com\/pt\/blog\/mining-conveyor-vfd-harmonics-measurement\/","title":{"rendered":"Mining Conveyor VFD Harmonics: Feeder Measurement Guide"},"content":{"rendered":"<div class=\"b2b-article\">\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Mining conveyors run long VFD-fed strings where belt loading, crusher starts, and reclaim duty change the harmonic current seen at each feeder.<\/strong> Assessing mining conveyor VFD harmonics starts at the monitored feeder: define whether the question is local drive behavior, a substation bus, or the plant PCC, then log belt load states before any APF discussion begins.<\/p>\n<nav class=\"b2b-toc\" style=\"background:#f5f8fa;padding:16px 20px;border-radius:8px;margin:0 0 24px\">\n<h2 id=\"contents\" style=\"margin:42px 0 14px;scroll-margin-top:96px\">Conte\u00fado<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"#define-the-electrical-boundary-before-collecting-data\">Defina o limite el\u00e9trico antes de recolher dados<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#separate-harmonic-planning-from-other-electrical-questions\">Separar o planeamento harm\u00f3nico de outras quest\u00f5es el\u00e9tricas<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#compare-mitigation-paths-without-defaulting-to-one-device\">Comparar vias de mitiga\u00e7\u00e3o sem favorecer um \u00fanico dispositivo<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#plan-integration-and-commissioning-early\">Planear a integra\u00e7\u00e3o e a comiss\u00e3o antecipadamente<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#product-inquiry-and-project-boundary\">Product inquiry and project boundary<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"direct-answer\">Resposta direta<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Mining conveyors run long VFD-fed strings where belt loading, crusher starts, and reclaim duty change the harmonic current seen at each feeder. Assessing mining conveyor VFD harmonics starts at the monitored feeder: define whether the question is local drive behavior, a substation bus, or the plant PCC, then log belt load states before any APF discussion begins.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">This matters because harmonic-current questions, reactive-power questions, voltage events, protection coordination, and equipment-operation questions can overlap without having the same technical answer. CNBYG can discuss AHF\/APF product-line context when measured harmonic current is the defined objective. It cannot establish conveyor availability targets, MSHA or site safety certification, or a guaranteed harmonic result from an article or a nameplate rating. For wider navigation, use the <a href=\"https:\/\/cnbygele.com\/pt\/power-quality-system-guides\/\">Manuais de Engenharia de Sistemas de Qualidade de Energia<\/a>.<\/p>\n<figure class=\"wp-block-image size-large\" style=\"clear:both;display:block;margin:28px 0;float:none;width:100%;\"><img decoding=\"async\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/07\/active-harmonic-filter-ahf-selection-guide-product-2.webp\" alt=\"Mining conveyor VFD harmonics assessment at feeder level\" class=\"alignnone size-large\" style=\"display:block;max-width:640px;height:auto;float:none;margin:0 auto;\" \/><\/figure>\n<p style=\"clear:both;margin:0;padding:0;height:0;line-height:0;\">&nbsp;<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"define-the-electrical-boundary-before-collecting-data\">Defina o limite el\u00e9trico antes de recolher dados<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">A primeira decis\u00e3o \u00e9 onde o resultado ser\u00e1 utilizado. Uma medi\u00e7\u00e3o num alimentador individual pode ajudar a caracterizar uma carga local. Uma medi\u00e7\u00e3o numa entrada de servi\u00e7o, secund\u00e1rio de transformador ou ponto de acoplamento comum responde a uma quest\u00e3o diferente. Registe a localiza\u00e7\u00e3o do medidor, a orienta\u00e7\u00e3o do TC, a refer\u00eancia de tens\u00e3o, o intervalo de amostragem, o per\u00edodo de agrega\u00e7\u00e3o, o estado de funcionamento e se outras cargas principais estavam ativas. Sem esses detalhes, um n\u00famero n\u00e3o pode ser comparado de forma fi\u00e1vel com o objetivo de um projeto.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">For belt conveyor, crusher, and reclaim VFD feeders in mining plants, create an operating log that identifies empty belt, fully loaded belt, acceleration and deceleration, crusher start coincidence, and maintenance bypass. The log should make clear when the monitored load is active and what else is connected to the same bus. Record whether crushers and reclaimers were running during each capture window, because their VFD stacks can dominate the feeder spectrum.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Um registo de medi\u00e7\u00f5es pr\u00e9-RFQ \u00fatil normalmente abrange os seguintes itens:<\/p>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\">A posi\u00e7\u00e3o no diagrama unifilar de cada contador, com a rela\u00e7\u00e3o do transformador de intensidade (TI) e a polaridade assinaladas.<\/li>\n<li style=\"margin:0 0 8px\">Espectros de tens\u00e3o e corrente capturados em intervalos de agrega\u00e7\u00e3o definidos, e n\u00e3o em instantes isolados.<\/li>\n<li style=\"margin:0 0 8px\">A time-stamped operating log linking each measurement window to the belt load and crusher operating state.<\/li>\n<li style=\"margin:0 0 8px\">Invent\u00e1rio existente de condensadores, reatores, filtros e variadores no mesmo barramento.<\/li>\n<li style=\"margin:0 0 8px\">A tend\u00eancia da procura e da pot\u00eancia reativa ao longo de pelo menos um ciclo de funcionamento representativo.<\/li>\n<\/ul>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Pergunta de medi\u00e7\u00e3o<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Entrada de projeto \u00fatil<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Decis\u00e3o que apoia<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">What is occurring at the monitored conveyor or crusher feeder?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Espectro atual, tend\u00eancia RMS, estado de carga, localiza\u00e7\u00e3o do TC<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Resolu\u00e7\u00e3o de problemas local e caracteriza\u00e7\u00e3o da fonte<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">O que \u00e9 que est\u00e1 a ocorrer no limite do sistema?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Tend\u00eancias de tens\u00e3o\/corrente, procura, dados do transformador e a montante<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Avalia\u00e7\u00e3o ao n\u00edvel do sistema e defini\u00e7\u00e3o de objetivos<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Is the condition repeatable across shift and production cycles?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Registo de funcionamento com carimbo de data\/hora e m\u00faltiplos per\u00edodos representativos<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Planeamento de capacidade e comissionamento<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Que equipamento j\u00e1 est\u00e1 ligado?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Esquema unifilar, detalhes de condensadores\/reatores\/filtros e prote\u00e7\u00e3o<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Revis\u00e3o de intera\u00e7\u00e3o e integra\u00e7\u00e3o<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Importante:<\/strong> Do not treat a single feeder measurement as representative of the whole mine site without logging belt load and crusher coincidence states (Source: <a href=\"https:\/\/cnbygele.com\/pt\/blog\/vfd-harmonics-industrial-plants-apf-selection\/\">Medi\u00e7\u00e3o de harm\u00f3nicas de VFD e sele\u00e7\u00e3o de APF<\/a>). Crusher and reclaim VFD stacks can dominate the feeder spectrum during overlapping operating windows.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"separate-harmonic-planning-from-other-electrical-questions\">Separar o planeamento harm\u00f3nico de outras quest\u00f5es el\u00e9tricas<\/h2>\n<figure class=\"wp-block-image size-large\" style=\"clear:both;display:block;margin:28px 0;float:none;width:100%;\"><img decoding=\"async\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/07\/active-harmonic-filter-ahf-selection-guide-body-3.webp\" alt=\"Belt conveyor and crusher drive harmonic measurement context\" class=\"alignnone size-large\" style=\"display:block;max-width:640px;height:auto;float:none;margin:0 auto;\" \/><\/figure>\n<p style=\"clear:both;margin:0;padding:0;height:0;line-height:0;\">&nbsp;<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">O planeamento harm\u00f3nico n\u00e3o se deve tornar numa explica\u00e7\u00e3o universal para todas as preocupa\u00e7\u00f5es operacionais. Uma leitura de forma de onda pode coexistir com varia\u00e7\u00e3o de tens\u00e3o, procura de pot\u00eancia reativa, desequil\u00edbrio, eventos de comuta\u00e7\u00e3o ou uma perturba\u00e7\u00e3o a montante. Cada problema necessita da sua pr\u00f3pria evid\u00eancia e m\u00e9todo de aceita\u00e7\u00e3o. Uma recomenda\u00e7\u00e3o feita antes desta separa\u00e7\u00e3o pode criar um \u00e2mbito incorreto, especialmente onde a instala\u00e7\u00e3o inclui equipamento de compensa\u00e7\u00e3o existente ou m\u00faltiplas fontes de corrente n\u00e3o linear.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">O <a href=\"https:\/\/standards.ieee.org\/ieee\/519\/5892\/\" rel=\"nofollow noopener\" target=\"_blank\">Vis\u00e3o geral da norma IEEE 519<\/a> constitui contexto \u00fatil para discutir o controlo de harm\u00f3nicas nos limites do sistema, mas n\u00e3o \u00e9 uma regra universal de dimensionamento de acess\u00f3rios. As equipas de projeto devem estabelecer o ponto aplic\u00e1vel, o conjunto de dados, as condi\u00e7\u00f5es da rede e o requisito contratual. Da mesma forma, um artigo n\u00e3o pode confirmar que a condi\u00e7\u00e3o medida causa um determinado evento operacional. Utilize as medi\u00e7\u00f5es no local e o processo de engenharia respons\u00e1vel para estabelecer essa rela\u00e7\u00e3o.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"compare-mitigation-paths-without-defaulting-to-one-device\">Comparar vias de mitiga\u00e7\u00e3o sem favorecer um \u00fanico dispositivo<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">O caminho de mitiga\u00e7\u00e3o segue o objetivo definido. Uma op\u00e7\u00e3o s\u00f3 deve ser selecionada para fase final quando o registo de medi\u00e7\u00f5es o sustentar e o desenho de integra\u00e7\u00e3o for compreendido. Nenhum dispositivo isolado constitui automaticamente a resposta correta para cada leitura de distor\u00e7\u00e3o, objetivo de pot\u00eancia reativa, evento de tens\u00e3o ou conclus\u00e3o de estudo de sistema. Os bancos de condensadores, reatores, filtros, acionamentos, imped\u00e2ncia de transformadores, prote\u00e7\u00e3o e varia\u00e7\u00e3o de carga prevista existentes afetam todos a revis\u00e3o do projeto.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Categoria de op\u00e7\u00e3o<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Pode ser considerado quando<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Tem de ser confirmado antes da sele\u00e7\u00e3o<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">AHF \/ APF<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Harmonic-current mitigation at the mining plant distribution bus or PCC is a defined, measured objective<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Perfil atual, local de instala\u00e7\u00e3o, plano de TC, base de capacidade, prote\u00e7\u00e3o, calor e m\u00e9todo de aceita\u00e7\u00e3o<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">SVG \/ ASVG<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">O comportamento din\u00e2mico de pot\u00eancia reativa \u00e9 o principal objetivo definido<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Perfil de pot\u00eancia reativa, contexto de tens\u00e3o, equipamento existente, controlos e limite de comissionamento<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Componentes passivos<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">O estudo de sistemas identifica uma fun\u00e7\u00e3o fixa ou afinada adequada<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Risco de resson\u00e2ncia, comuta\u00e7\u00e3o, dados de rede, prote\u00e7\u00e3o e instala\u00e7\u00e3o f\u00edsica<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Altera\u00e7\u00e3o operacional ou a montante<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">A configura\u00e7\u00e3o da origem, do agendamento ou da distribui\u00e7\u00e3o \u00e9 material<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Responsabilidades do propriet\u00e1rio, coordena\u00e7\u00e3o de infraestruturas e plano de implementa\u00e7\u00e3o documentado<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">Para uma discuss\u00e3o sobre a linha de produtos, consulte a <a href=\"https:\/\/cnbygele.com\/pt\/product\/ahf-active-harmonic-filter-harmonic-control\/\">P\u00e1gina do Filtro Harm\u00f3nico Ativo CNBYG AHF<\/a>. Deve ser utilizado com os dados do projeto, e n\u00e3o como um substituto para o estudo. O guia relacionado sobre <a href=\"https:\/\/cnbygele.com\/pt\/blog\/vfd-harmonics-industrial-plants-apf-selection\/\">Medi\u00e7\u00e3o de harm\u00f3nicas de VFD e sele\u00e7\u00e3o de APF<\/a> explica a mesma abordagem baseada em medi\u00e7\u00e3o num contexto de aplica\u00e7\u00e3o vizinho.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"plan-integration-and-commissioning-early\">Planear a integra\u00e7\u00e3o e a comiss\u00e3o antecipadamente<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">As quest\u00f5es de integra\u00e7\u00e3o devem ser identificadas antes de ser emitido um RFQ. A equipa deve documentar o local de liga\u00e7\u00e3o proposto, a disposi\u00e7\u00e3o dos transformadores de corrente (TC), a configura\u00e7\u00e3o do alimentador e das barras, o espa\u00e7o dispon\u00edvel, o encaminhamento de cabos, a ventila\u00e7\u00e3o, as condi\u00e7\u00f5es ambientais, o acesso, as comunica\u00e7\u00f5es, os alarmes e as expectativas de manuten\u00e7\u00e3o. A coordena\u00e7\u00e3o de prote\u00e7\u00f5es e os requisitos de desativa\u00e7\u00e3o tamb\u00e9m necessitam de uma an\u00e1lise espec\u00edfica do projeto. Estes s\u00e3o dados de conce\u00e7\u00e3o, e n\u00e3o detalhes a adiar at\u00e9 que o equipamento chegue.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">A comissionamento deve comparar as condi\u00e7\u00f5es representativas p\u00f3s-instala\u00e7\u00e3o com a linha de base previamente acordada e o m\u00e9todo de aceita\u00e7\u00e3o definido. Mantenha a condi\u00e7\u00e3o de funcionamento compar\u00e1vel: registe quais as principais cargas em funcionamento, onde os contadores estavam ligados e que defini\u00e7\u00f5es de medi\u00e7\u00e3o foram utilizadas. Se o objetivo do local incluir uma m\u00e9trica de fronteira do sistema, o plano de medi\u00e7\u00e3o deve manter essa fronteira. Uma posi\u00e7\u00e3o diferente do contador ou um estado de carga diferente pode produzir um resultado diferente sem demonstrar uma altera\u00e7\u00e3o no desempenho do equipamento. O guia sobre <a href=\"https:\/\/cnbygele.com\/pt\/blog\/oil-gas-esp-vfd-harmonics-mitigation\/\">oil and gas ESP VFD harmonics mitigation<\/a> mostra como a mesma disciplina de comissionamento se aplica num cen\u00e1rio relacionado.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"product-inquiry-and-project-boundary\">Product inquiry and project boundary<\/h2>\n<figure class=\"wp-block-image size-large\" style=\"clear:both;display:block;margin:28px 0;float:none;width:100%;\"><img decoding=\"async\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/07\/active-harmonic-filter-ahf-selection-guide-cover-3.webp\" alt=\"CNBYG AHF product context for mining plant VFD feeders\" class=\"alignnone size-large\" style=\"display:block;max-width:640px;height:auto;float:none;margin:0 auto;\" \/><\/figure>\n<p style=\"clear:both;margin:0;padding:0;height:0;line-height:0;\">&nbsp;<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Uma consulta \u00e9 mais \u00fatil quando cont\u00e9m o diagrama unifilar, a tens\u00e3o nominal e a frequ\u00eancia, informa\u00e7\u00f5es do transformador, dados representativos de tens\u00e3o\/corrente, o plano de funcionamento, o invent\u00e1rio de cargas, condensadores\/reatores\/filtros existentes, informa\u00e7\u00f5es de prote\u00e7\u00e3o, o ponto de instala\u00e7\u00e3o proposto, dados de espa\u00e7o e arrefecimento, e requisitos de comunica\u00e7\u00e3o. Descreva a decis\u00e3o necess\u00e1ria: resolu\u00e7\u00e3o de problemas locais, avalia\u00e7\u00e3o dos limites do sistema, mitiga\u00e7\u00e3o de correntes harm\u00f3nicas, resposta de pot\u00eancia reativa ou uma revis\u00e3o coordenada.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">CNBYG can review these inputs and discuss whether its product line fits the stated scope. It should not be asked to promise conveyor availability targets, MSHA or site safety certification, or a guaranteed harmonic result. Where a project has regulated, critical, or unusual operating constraints, involve the relevant owner, system engineer, utility, and equipment specialists. Use the <a href=\"https:\/\/cnbygele.com\/pt\/contact-us\/\">P\u00e1gina de contacto da CNBYG<\/a> para submeter a informa\u00e7\u00e3o dispon\u00edvel sobre o projeto.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"frequently-asked-questions\">Perguntas frequentes<\/h2>\n<h3 style=\"margin:28px 0 12px\">Where should mining conveyor VFD harmonics be measured first?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Start at the feeder serving the conveyor or crusher group, then add the substation or PCC if the project objective is plant-level mitigation rather than local troubleshooting.<\/p>\n<h3 style=\"margin:28px 0 12px\">Do empty and loaded belt states produce different harmonic profiles?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Yes. Torque demand and regenerative behavior change with belt loading, so the operating log must label each measurement window with load state.<\/p>\n<h3 style=\"margin:28px 0 12px\">Can one conveyor feeder measurement represent the whole mine site?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Rarely. Long conveyor strings, multiple substations, and mobile equipment create different buses that need separate records or explicit scope limits.<\/p>\n<h3 style=\"margin:28px 0 12px\">\u00c9 suficiente uma \u00fanica medi\u00e7\u00e3o para selecionar equipamento de mitiga\u00e7\u00e3o?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Normalmente n\u00e3o. O local de medi\u00e7\u00e3o, a condi\u00e7\u00e3o de funcionamento, a dura\u00e7\u00e3o, a topologia el\u00e9trica e o objetivo do projeto determinam se os dados s\u00e3o representativos.<\/p>\n<h3 style=\"margin:28px 0 12px\">Pode o equipamento de mitiga\u00e7\u00e3o ser dimensionado apenas com base na carga ligada?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">N\u00e3o. Uma discuss\u00e3o de capacidade requer um comportamento de corrente medido, um perfil operativo, a topologia de instala\u00e7\u00e3o e um objetivo de projeto definido.<\/p>\n<h3 style=\"margin:28px 0 12px\">Este artigo garante um resultado de conformidade ou operacional?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">N\u00e3o. A aplica\u00e7\u00e3o de normas, as condi\u00e7\u00f5es de rede, os crit\u00e9rios de aceita\u00e7\u00e3o e a comiss\u00e3o devem ser definidos e verificados para o projeto espec\u00edfico.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"references\">Refer\u00eancias<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/standards.ieee.org\/ieee\/519\/5892\/\" rel=\"nofollow noopener\" target=\"_blank\">IEEE 519 \u2014 Pr\u00e1tica Recomendada e Requisitos para o Controlo de Harm\u00f3nicos em Sistemas de Energia El\u00e9trica<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.nema.org\/standards\/view\/motors-and-generators\" rel=\"nofollow noopener\" target=\"_blank\">NEMA MG 1 \u2014 Motores e Geradores<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.energy.gov\/eere\/amo\/industrial-efficiency-and-decarbonization-office\" rel=\"nofollow noopener\" target=\"_blank\">Departamento de Energia dos EUA \u2014 Gabinete de Efici\u00eancia Industrial e Descarboniza\u00e7\u00e3o<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Mining conveyors run long VFD-fed strings where belt loading, crusher starts, and reclaim duty change the harmonic current seen at each feeder. Assessing mining conveyor VFD harmonics starts at the monitored feeder: define whether the question is local drive behavior, a substation bus, or the plant PCC, then log belt load states before any APF [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-2322","post","type-post","status-publish","format-standard","hentry","category-blog"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"acf":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/cnbygele.com\/pt\/wp-json\/wp\/v2\/posts\/2322","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnbygele.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cnbygele.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cnbygele.com\/pt\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/cnbygele.com\/pt\/wp-json\/wp\/v2\/comments?post=2322"}],"version-history":[{"count":1,"href":"https:\/\/cnbygele.com\/pt\/wp-json\/wp\/v2\/posts\/2322\/revisions"}],"predecessor-version":[{"id":2499,"href":"https:\/\/cnbygele.com\/pt\/wp-json\/wp\/v2\/posts\/2322\/revisions\/2499"}],"wp:attachment":[{"href":"https:\/\/cnbygele.com\/pt\/wp-json\/wp\/v2\/media?parent=2322"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnbygele.com\/pt\/wp-json\/wp\/v2\/categories?post=2322"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnbygele.com\/pt\/wp-json\/wp\/v2\/tags?post=2322"}],"curies":[{"name":"bem jogado","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}