{"id":5468,"date":"2025-10-29T12:33:55","date_gmt":"2025-10-29T11:33:55","guid":{"rendered":"https:\/\/trypool.com\/?p=5468"},"modified":"2026-08-03T11:45:14","modified_gmt":"2026-08-03T09:45:14","slug":"quadros-eletricos-para-piscinas-servico-profissional","status":"publish","type":"post","link":"https:\/\/trypool.com\/pt\/blog\/cuadros-electricos-piscinas-profesional\/","title":{"rendered":"Quadros el\u00e9tricos para piscinas: engenharia, seguran\u00e7a e controlo inteligente"},"content":{"rendered":"

Arquitetura el\u00e9trica profissional: conce\u00e7\u00e3o integral<\/strong><\/h2>\n\n\n\n

Esquema unifilar de instala\u00e7\u00e3o completa<\/strong><\/h3>\n\n\n\n

Conce\u00e7\u00e3o, prote\u00e7\u00f5es, automatiza\u00e7\u00e3o, variadores, normativas e manuten\u00e7\u00e3o de quadros el\u00e9tricos para piscinas<\/p>\n\n\n\n

ALIMENTA\u00c7\u00c3O \u2192 IGA \u2192 ICP \u2192 CGP \u2192 QUADRO PRINCIPAL<\/p>\n\n\n\n

                                    \u2193<\/p>\n\n\n\n

    \u251c\u2500\u2500 SUBQUADRO DE FILTRA\u00c7\u00c3O (Variadores, bombas)<\/p>\n\n\n\n

    \u251c\u2500\u2500 SUBCAIXA DE ILUMINA\u00c7\u00c3O (DMX, LED)<\/p>\n\n\n\n

    \u251c\u2500\u2500 SUBQUADRO DE TRATAMENTO (Clora\u00e7\u00e3o, dosagem)<\/p>\n\n\n\n

    \u251c\u2500\u2500 SUBQUADRO DE CLIMATIZA\u00c7\u00c3O (Bombas de calor)<\/p>\n\n\n\n

    \u2514\u2500\u2500 QUADRO AUXILIAR (Tomadas, limpadores de fundo)<\/p>\n\n\n\n

C\u00e1lculo de pot\u00eancias e sec\u00e7\u00f5es \u2013 Quadros el\u00e9tricos para piscinas<\/h3>\n\n\n\n

Pot\u00eancia total instalada:<\/strong><\/p>\n\n\n\n

Pt = \u03a3(Pi \u00d7 Fs \u00d7 Fu)<\/p>\n\n\n\n

Onde:<\/p>\n\n\n\n

\u2013 Pi = Pot\u00eancia individual (W)<\/p>\n\n\n\n

\u2013 Fs = Fator de simultaneidade (0,6-0,8)<\/p>\n\n\n\n

\u2013 Fu = Fator de utiliza\u00e7\u00e3o (0,7-0,9)<\/p>\n\n\n\n

Exemplo de uma piscina de 500 m\u00b3:<\/strong><\/p>\n\n\n\n

Equipa<\/strong><\/td>Pot\u00eancia (kW)<\/strong><\/td>Fs<\/strong><\/td>Fu<\/strong><\/td>P.c\u00e1lculo<\/strong><\/td><\/tr><\/thead>
Bomba de filtra\u00e7\u00e3o<\/td>5.5<\/td>1.0<\/td>0.8<\/td>4.4<\/td><\/tr>
Bomba de calor<\/td>15.0<\/td>0.7<\/td>0.9<\/td>9.45<\/td><\/tr>
Clorador de sal<\/td>1.2<\/td>1.0<\/td>0.8<\/td>0.96<\/td><\/tr>
Ilumina\u00e7\u00e3o LED<\/td>2.4<\/td>0.6<\/td>1.0<\/td>1.44<\/td><\/tr>
Auxiliares<\/td>3.0<\/td>0.3<\/td>0.7<\/td>0.63<\/td><\/tr>
TOTAL<\/strong><\/td>27.1<\/strong><\/td>\u2013<\/td>\u2013<\/td>16,88 kW<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Intensidade de c\u00e1lculo:<\/strong><\/p>\n\n\n\n

I = P \/ (\u221a3 \u00d7 V \u00d7 cos\u03c6 \u00d7 \u03b7)<\/p>\n\n\n\n

I = 16,880 \/ (1,732 \u00d7 400 \u00d7 0,85 \u00d7 0,95) = 30,2 A<\/p>\n\n\n\n

<\/div>\n\n\n\n

Prote\u00e7\u00f5es el\u00e9tricas: sele\u00e7\u00e3o e coordena\u00e7\u00e3o<\/strong><\/h2>\n\n\n\n

Disjuntores diferenciais: tipos e aplica\u00e7\u00f5es<\/strong><\/h3>\n\n\n\n
Tipo<\/strong><\/td>Aplica\u00e7\u00e3o<\/strong><\/td>Sensibilidade<\/strong><\/td>Caracter\u00edsticas<\/strong><\/td><\/tr><\/thead>
AC<\/strong><\/td>Cargas resistivas<\/td>30-300 mA<\/td>Sinusoidal pura<\/td><\/tr>
A<\/strong><\/td>Ilumina\u00e7\u00e3o LED<\/td>30 mA<\/td>Bot\u00e3o retificado<\/td><\/tr>
F<\/strong><\/td>Variadores <7,5 kW<\/td>30-100 mA<\/td>Alta frequ\u00eancia<\/td><\/tr>
B<\/strong><\/td>Variadores >7,5 kW<\/td>100-300 mA<\/td>Continua + HF<\/td><\/tr>
SIM<\/strong><\/td>Sele\u00e7\u00e3o de entrada<\/td>100-300 mA<\/td>Atraso de 40-150 ms<\/td><\/tr>
ASSIM<\/strong><\/td>Inform\u00e1tica<\/td>30 mA<\/td>Superimunizado<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Seletividade e coordena\u00e7\u00e3o<\/strong><\/h3>\n\n\n\n

Seletividade amperim\u00e9trica:<\/strong><\/p>\n\n\n\n

Ir (a montante) > 1,6 \u00d7 In (a jusante)<\/p>\n\n\n\n

Seletividade cronom\u00e9trica:<\/strong><\/p>\n\n\n\n

    \n
  • Instant\u00e2neo: <0,1 s<\/li>\n\n\n\n
  • Atraso curto: 0,1-0,5 s<\/li>\n\n\n\n
  • Atraso longo: 0,5-1 s<\/li>\n<\/ul>\n\n\n\n

    Exemplo de coordena\u00e7\u00e3o:<\/strong><\/p>\n\n\n\n

    IGA (100 A, 300 mA, 150 ms)<\/p>\n\n\n\n

      \u2193<\/p>\n\n\n\n

    \u251c\u2500\u2500 Filtragem (40 A, 100 mA, 40 ms)<\/p>\n\n\n\n

    \u251c\u2500\u2500 Ilumina\u00e7\u00e3o (20 A, 30 mA, inst)<\/p>\n\n\n\n

    \u2514\u2500\u2500 Auxiliar (16 A, 30 mA, instant\u00e2neo)<\/p>\n\n\n\n

    Prote\u00e7\u00e3o contra sobretens\u00f5es \u2013 Quadros el\u00e9tricos para piscinas<\/h3>\n\n\n\n

    Tipos de protetores (SPD):<\/strong><\/p>\n\n\n\n

    Tipo<\/strong><\/td>Localiza\u00e7\u00e3o<\/strong><\/td>Capacidade<\/strong><\/td>Aplica\u00e7\u00e3o<\/strong><\/td><\/tr><\/thead>
    Tipo 1<\/td>CGP<\/td>100 kA (10\/350)<\/td>Impacto direto<\/td><\/tr>
    Tipo 2<\/td>Subquadros<\/td>40 kA (8\/20)<\/td>Picos de tens\u00e3o induzidos<\/td><\/tr>
    Tipo 3<\/td>Equipas<\/td>10 kA (8\/20)<\/td>Prote\u00e7\u00e3o fina<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    Coordena\u00e7\u00e3o energ\u00e9tica dos SPDs:<\/strong><\/p>\n\n\n\n

    Dist\u00e2ncia T1-T2 > 10 m de cabo<\/p>\n\n\n\n

    Dist\u00e2ncia T2-T3 > 5 m de cabo<\/p>\n\n\n\n

    Up(T1) > Up(T2) > Up(T3)<\/p>\n\n\n\n

    <\/div>\n\n\n\n

    Automatiza\u00e7\u00e3o e controlo avan\u00e7ado<\/strong> \u2013 Quadros el\u00e9tricos para piscinas<\/strong><\/h2>\n\n\n\n

    PLC\/Controlador l\u00f3gico program\u00e1vel<\/strong><\/h3>\n\n\n\n

    Especifica\u00e7\u00f5es m\u00ednimas:<\/strong><\/p>\n\n\n\n

      \n
    • CPU: >1 MB de mem\u00f3ria, <1 ms\/K ciclo<\/li>\n\n\n\n
    • E\/S: 32 entradas digitais, 16 sa\u00eddas digitais, 8 entradas anal\u00f3gicas, 4 sa\u00eddas anal\u00f3gicas, no m\u00ednimo<\/li>\n\n\n\n
    • Comunica\u00e7\u00e3o: Ethernet, Modbus, Profibus<\/li>\n\n\n\n
    • Programa\u00e7\u00e3o: Ladder, ST, FBD<\/li>\n\n\n\n
    • Redund\u00e2ncia: CPU + fonte de alimenta\u00e7\u00e3o com substitui\u00e7\u00e3o a quente<\/li>\n<\/ul>\n\n\n\n

      Exemplo de programa\u00e7\u00e3o (ST):<\/strong><\/p>\n\n\n\n

      \/\/ Controlo da filtra\u00e7\u00e3o com otimiza\u00e7\u00e3o energ\u00e9tica<\/p>\n\n\n\n

      IF (Hora_Atual >= Hora_In\u00edcio_Barata) AND (Hora_Atual <= Hora_Fim_Barata) THEN<\/p>\n\n\n\n

          IF (Temperatura_\u00c1gua < 26) THEN<\/p>\n\n\n\n

              Velocidade_Bomba := 60; \/\/ Velocidade 60%<\/p>\n\n\n\n

              Tempo_Filtra\u00e7\u00e3o := 8; \/\/ 8 horas<\/p>\n\n\n\n

          ELSE<\/p>\n\n\n\n

              Velocidade_Bomba := 75; \/\/ 75% velocidade <\/p>\n\n\n\n

              Tempo_Filtragem := 10; \/\/ 10 horas<\/p>\n\n\n\n

          END_IF;<\/p>\n\n\n\n

          Arranque_Bomba := TRUE;<\/p>\n\n\n\n

      END_IF;<\/p>\n\n\n\n

      \/\/ Prote\u00e7\u00e3o por press\u00e3o<\/p>\n\n\n\n

      IF (Press\u00e3o_Filtro > 15) THEN<\/p>\n\n\n\n

          Alarme_Press\u00e3o := TRUE;<\/p>\n\n\n\n

          Arranque_Retrolavagem := TRUE;<\/p>\n\n\n\n

      END_IF;<\/p>\n\n\n\n

      Integra\u00e7\u00e3o dom\u00f3tica KNX\/EIB<\/strong><\/h3>\n\n\n\n

      Arquitetura KNX:<\/strong><\/p>\n\n\n\n

      Linha Principal (TP1)<\/p>\n\n\n\n

          \u2193<\/p>\n\n\n\n

      \u251c\u2500\u2500 Fonte de alimenta\u00e7\u00e3o (640 mA)<\/p>\n\n\n\n

      \u251c\u2500\u2500 Router IP\/KNX<\/p>\n\n\n\n

      \u251c\u2500\u2500 Atuadores (8\u00d716 A)<\/p>\n\n\n\n

      \u251c\u2500\u2500 Entradas bin\u00e1rias<\/p>\n\n\n\n

      \u251c\u2500\u2500 Gateway Modbus<\/p>\n\n\n\n

      \u2514\u2500\u2500 Ecr\u00e3 t\u00e1til<\/p>\n\n\n\n

      Objetos de comunica\u00e7\u00e3o:<\/strong><\/p>\n\n\n\n

      Objeto<\/strong><\/td>DPT<\/strong><\/td>Fun\u00e7\u00e3o<\/strong><\/td>Bandeiras<\/strong><\/td><\/tr><\/thead>
      Bomba LIGADA\/DESLIGADA<\/td>1.001<\/td>Switch<\/td>CWT<\/td><\/tr>
      Velocidade da bomba<\/td>5.001<\/td>% (0-100)<\/td>CWT<\/td><\/tr>
      Temperatura da \u00e1gua<\/td>9.001<\/td>\u00b0C<\/td>CT<\/td><\/tr>
      pH atual<\/td>9.*<\/td>0-14<\/td>CT<\/td><\/tr>
      Ilumina\u00e7\u00e3o de cena<\/td>18.001<\/td>1-64<\/td>CW<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      SCADA e monitoriza\u00e7\u00e3o remota<\/strong><\/h3>\n\n\n\n

      Arquitetura SCADA t\u00edpica:<\/strong><\/p>\n\n\n\n

      N\u00cdVEL DE CAMPO: Sensores \u2192 PLC \u2192 <\/p>\n\n\n\n

      N\u00cdVEL DE CONTROLO: Servidor SCADA \u2192<\/p>\n\n\n\n

      N\u00cdVEL DE GEST\u00c3O: HMI\/Web\/Aplica\u00e7\u00e3o<\/p>\n\n\n\n

      Vari\u00e1veis monitorizadas (tags):<\/strong><\/p>\n\n\n\n

      Etiqueta<\/strong><\/td>Descri\u00e7\u00e3o<\/strong><\/td>Tipo<\/strong><\/td>Unidade<\/strong><\/td>Alarmes<\/strong><\/td><\/tr><\/thead>
      FIT_001<\/td>Caudal de infiltra\u00e7\u00e3o<\/td>Real<\/td>m\u00b3\/h<\/td>L:20 H:60<\/td><\/tr>
      PIT_001<\/td>Press\u00e3o de entrada<\/td>Real<\/td>bar<\/td>L: 0,5 H: 2,5<\/td><\/tr>
      PIT_002<\/td>Press\u00e3o de sa\u00edda<\/td>Real<\/td>bar<\/td>L: 0,3 H: 2,0<\/td><\/tr>
      AIT_001<\/td>pH da \u00e1gua<\/td>Real<\/td>pH<\/td>C: 6,8 A: 7,6<\/td><\/tr>
      AIT_002<\/td>ORP da \u00e1gua<\/td>Real<\/td>mV<\/td>C: 650 A: 750<\/td><\/tr>
      AIT_003<\/td>Cloro livre<\/td>Real<\/td>ppm<\/td>L: 0,5 H: 2,0<\/td><\/tr>
      TIT_001<\/td>Temperatura da \u00e1gua<\/td>Real<\/td>\u00b0C<\/td>L:18 H:32<\/td><\/tr>
      LIT_001<\/td>N\u00edvel do copo<\/td>Real<\/td>cm<\/td>L: -5 H: +5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      Variadores de frequ\u00eancia: configura\u00e7\u00e3o avan\u00e7ada<\/strong><\/h3>\n\n\n\n

      Configura\u00e7\u00e3o espec\u00edfica das bombas:<\/strong><\/p>\n\n\n\n

      \/\/ Par\u00e2metros b\u00e1sicos<\/p>\n\n\n\n

      P0010 = 1 \/\/ Coloca\u00e7\u00e3o em funcionamento<\/p>\n\n\n\n

      P0100 = 0 \/\/ Europa 50 Hz<\/p>\n\n\n\n

      P0304 = 400 \/\/ Tens\u00e3o nominal do motor<\/p>\n\n\n\n

      P0305 = 11,2 \/\/ Corrente nominal do motor<\/p>\n\n\n\n

      P0307 = 5,5 \/\/ Pot\u00eancia nominal do motor<\/p>\n\n\n\n

      P0310 = 50 \/\/ Frequ\u00eancia nominal<\/p>\n\n\n\n

      P0311 = 1450 \/\/ Velocidade nominal<\/p>\n\n\n\n

      \/\/ Controlo PID de press\u00e3o constante<\/p>\n\n\n\n

      P2200 = 1 \/\/ Ativar PID<\/p>\n\n\n\n

      P2253 = 755 \/\/ Fonte do valor de refer\u00eancia (AI1)<\/p>\n\n\n\n

      P2264 = 750 \/\/ Fonte de retroalimenta\u00e7\u00e3o (AI2)<\/p>\n\n\n\n

      P2280 = 2,5 \/\/ Ganho P<\/p>\n\n\n\n

      P2285 = 10 \/\/ Tempo integral<\/p>\n\n\n\n

      P2274 = 5 \/\/ Tempo derivativo<\/p>\n\n\n\n

      \/\/ Prote\u00e7\u00f5es<\/p>\n\n\n\n

      P2179 = 1 \/\/ Detec\u00e7\u00e3o de ruptura de tubagem<\/p>\n\n\n\n

      P2180 = 20 \/\/ % queda de press\u00e3o<\/p>\n\n\n\n

      P2181 = 5 \/\/ Tempo de dete\u00e7\u00e3o (s)<\/p>\n\n\n\n

      \/\/ Poupan\u00e7a de energia<\/p>\n\n\n\n

      P1300 = 20 \/\/ Controlo quadr\u00e1tico V\/f<\/p>\n\n\n\n

      P2390 = 1 \/\/ Otimiza\u00e7\u00e3o autom\u00e1tica<\/p>\n\n\n\n

      C\u00e1lculo da poupan\u00e7a de energia:<\/strong><\/p>\n\n\n\n

      Poupan\u00e7a (%) = 100 \u00d7 (1 \u2013 (n\u2082\/n\u2081)\u00b3)<\/p>\n\n\n\n

      Exemplo: 50 Hz \u2192 40 Hz<\/p>\n\n\n\n

      Poupan\u00e7a = 100 \u00d7 (1 \u2212 (40\/50)\u00b3) = 48,8%<\/p>\n\n\n\n

      <\/div>\n\n\n\n

      Componentes e montagem: especifica\u00e7\u00f5es profissionais<\/strong><\/h2>\n\n\n\n

      Inv\u00f3lucro e grau de prote\u00e7\u00e3o<\/strong><\/h3>\n\n\n\n

      Sele\u00e7\u00e3o por localiza\u00e7\u00e3o:<\/strong><\/p>\n\n\n\n

      Localiza\u00e7\u00e3o<\/strong><\/td>IP<\/strong><\/td>IK<\/strong><\/td>Material<\/strong><\/td>Ventila\u00e7\u00e3o<\/strong><\/td><\/tr><\/thead>
      Sala seca<\/td>IP31<\/td>IK07<\/td>Met\u00e1lico<\/td>Natural<\/td><\/tr>
      Sala h\u00famida<\/td>IP54<\/td>IK08<\/td>Met\u00e1lico<\/td>For\u00e7ada<\/td><\/tr>
      \u00c1rea exterior coberta<\/td>IP55<\/td>IK10<\/td>Poli\u00e9ster<\/td>Natural<\/td><\/tr>
      No exterior<\/td>IP65<\/td>IK10<\/td>Poli\u00e9ster\/A\u00e7o inoxid\u00e1vel<\/td>For\u00e7ada+aquecimento<\/td><\/tr>
      Enterrado<\/td>IP68<\/td>IK10<\/td>Poli\u00e9ster<\/td>Estanca<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      C\u00e1lculo da dissipa\u00e7\u00e3o t\u00e9rmica:<\/strong><\/p>\n\n\n\n

      P_dissipada = \u03a3(P_equipamento \u00d7 (1 \u2013 \u03b7))<\/p>\n\n\n\n

      Q = P_dissipada \/ (K \u00d7 A \u00d7 \u0394T)<\/p>\n\n\n\n

      Onde:<\/p>\n\n\n\n

      \u2013 K = Coeficiente de transmiss\u00e3o (5,5 W\/m\u00b2K para materiais met\u00e1licos)<\/p>\n\n\n\n

      \u2013 A = \u00c1rea (m\u00b2)<\/p>\n\n\n\n

      \u2013 \u0394T = Diferencial de temperatura (15 K, valor t\u00edpico)<\/p>\n\n\n\n

      Esquema de liga\u00e7\u00e3o \u00e0 terra e equipotencialidade<\/strong><\/h3>\n\n\n\n

      Resist\u00eancia de terra alvo:<\/strong><\/p>\n\n\n\n

      Rt < 30 \u03a9 (geral)<\/p>\n\n\n\n

      Rt < 10 \u03a9 (inform\u00e1tica)<\/p>\n\n\n\n

      Rt < 5 \u03a9 (piscinas)<\/p>\n\n\n\n

      Rede equipotencial da piscina:<\/strong><\/p>\n\n\n\n

        \n
      • Cabo: 16 mm\u00b2 de cobre nu<\/li>\n\n\n\n
      • Liga\u00e7\u00f5es: Soldadura aluminot\u00e9rmica<\/li>\n\n\n\n
      • Pontos de liga\u00e7\u00e3o:\n
          \n
        • Estrutura met\u00e1lica do vaso<\/li>\n\n\n\n
        • Escadas e trampolins<\/li>\n\n\n\n
        • Tubos met\u00e1licos<\/li>\n\n\n\n
        • Armaduras de bet\u00e3o<\/li>\n\n\n\n
        • Pe\u00e7as met\u00e1licas para filtros<\/li>\n\n\n\n
        • Lumin\u00e1rias<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n

          Cablagem e canaliza\u00e7\u00f5es<\/strong><\/h3>\n\n\n\n

          Sec\u00e7\u00f5es m\u00ednimas normalizadas:<\/strong><\/p>\n\n\n\n

          Circuito<\/strong><\/td>Sec\u00e7\u00e3o (mm\u00b2)<\/strong><\/td>Tipo de cabo<\/strong><\/td>Canaliza\u00e7\u00e3o<\/strong><\/td><\/tr><\/thead>
          Alimenta\u00e7\u00e3o em geral<\/td>16-35<\/td>RZ1-K 0,6\/1 kV<\/td>Bandeja<\/td><\/tr>
          Bombas<\/td>4-10<\/td>RV-K 0,6\/1 kV<\/td>Tubo r\u00edgido<\/td><\/tr>
          Variadores<\/td>4-10 + com ecr\u00e3<\/td>RVFV-K<\/td>Tubo met\u00e1lico<\/td><\/tr>
          Ilumina\u00e7\u00e3o da piscina<\/td>3\u00d72.5<\/td>H07RN-F<\/td>Tubo flex\u00edvel<\/td><\/tr>
          Controlo de 24 V<\/td>2\u00d70.75<\/td>LiYCY<\/td>Bandeja separada<\/td><\/tr>
          Bus de comunica\u00e7\u00e3o<\/td>2\u00d72\u00d70.8<\/td>J-Y(St)Y<\/td>Tubo independente<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
          <\/div>\n\n\n\n

          Coloca\u00e7\u00e3o em funcionamento e certifica\u00e7\u00e3o<\/strong><\/h2>\n\n\n\n

          Protocolo de verifica\u00e7\u00e3o REBT<\/strong><\/h3>\n\n\n\n

          Medidas obrigat\u00f3rias:<\/strong><\/p>\n\n\n\n

            \n
          1. Continuidade dos condutores<\/strong>\n
              \n
            • Prote\u00e7\u00e3o: R < 1 \u03a9<\/li>\n\n\n\n
            • Equipotencial: R < 0,1 \u03a9<\/li>\n<\/ul>\n<\/li>\n\n\n\n
            • Resist\u00eancia de isolamento<\/strong>\n
                \n
              • 500 Vcc: > 0,5 M\u03a9<\/li>\n\n\n\n
              • Entre os condutores e o solo<\/li>\n<\/ul>\n<\/li>\n\n\n\n
              • Diferenciais de disparo<\/strong>\n
                  \n
                • 30 mA: disparo entre 15 e 30 mA<\/li>\n\n\n\n
                • Tempo: < 200 ms a In<\/li>\n<\/ul>\n<\/li>\n\n\n\n
                • Imped\u00e2ncia do circuito<\/strong>\n
                    \n
                  • Zs \u00d7 Ia < U\u2080<\/li>\n\n\n\n
                  • Verificar a seletividade<\/li>\n<\/ul>\n<\/li>\n\n\n\n
                  • Resist\u00eancia \u00e0 terra<\/strong>\n
                      \n
                    • M\u00e9todo de medi\u00e7\u00e3o 62%<\/li>\n\n\n\n
                    • Rt < 30 \u03a9 (piscinas de 5 \u03a9)<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n

                      Documenta\u00e7\u00e3o t\u00e9cnica necess\u00e1ria \u2013 Quadros el\u00e9tricos para piscinas<\/strong><\/h3>\n\n\n\n
                        \n
                      • Projeto t\u00e9cnico (>10 kW)<\/li>\n\n\n\n
                      • Certificado de instala\u00e7\u00e3o<\/li>\n\n\n\n
                      • Manual de esquemas<\/li>\n\n\n\n
                      • Protocolo de testes<\/li>\n\n\n\n
                      • Equipamentos com marca\u00e7\u00e3o CE<\/li>\n\n\n\n
                      • Certificados de materiais<\/li>\n<\/ul>\n\n\n\n
                        <\/div>\n\n\n\n

                        Manuten\u00e7\u00e3o preditiva com IoT \u2013 Quadros el\u00e9tricos para piscinas<\/h2>\n\n\n\n

                        Sensores inteligentes<\/strong><\/h3>\n\n\n\n
                        Par\u00e2metro<\/strong><\/td>Sensor<\/strong><\/td>Sinal<\/strong><\/td>Preditivo<\/strong><\/td><\/tr><\/thead>
                        Vibra\u00e7\u00e3o da bomba<\/td>Aceler\u00f3metro<\/td>4-20 mA<\/td>Rolamentos<\/td><\/tr>
                        Temperatura do motor<\/td>PT100<\/td>4-20 mA<\/td>Sobrecarga<\/td><\/tr>
                        Corrente nas fases<\/td>Toroidal<\/td>Modbus<\/td>Desequil\u00edbrio<\/td><\/tr>
                        Harm\u00f3nicos<\/td>Analisador<\/td>Ethernet<\/td>Qualidade da rede<\/td><\/tr>
                        Fugas \u00e0 terra<\/td>Toroidal 30 mA<\/td>Digital<\/td>Isolamento<\/td><\/tr>
                        Consumo<\/td>Contador MID<\/td>M-Bus<\/td>Efici\u00eancia<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

                        Aprendizagem autom\u00e1tica para manuten\u00e7\u00e3o<\/strong><\/h3>\n\n\n\n

                        Algoritmo de dete\u00e7\u00e3o de anomalias:<\/strong><\/p>\n\n\n\n

                        # Detec\u00e7\u00e3o de avaria na bomba<\/p>\n\n\n\n

                        import numpy as np<\/p>\n\n\n\n

                        from sklearn.ensemble import IsolationForest<\/p>\n\n\n\n

                        Caracter\u00edsticas do #: vibra\u00e7\u00e3o, corrente, press\u00e3o, caudal<\/p>\n\n\n\n

                        X_train = historical_normal_data<\/p>\n\n\n\n

                        model = IsolationForest(contamination=0,1)<\/p>\n\n\n\n

                        model.fit(X_train)<\/p>\n\n\n\n

                        Previs\u00e3o #<\/p>\n\n\n\n

                        X_current = get_current_readings()<\/p>\n\n\n\n

                        anomaly_score = model.decision_function(X_current)<\/p>\n\n\n\n

                        se anomaly_score < threshold:<\/p>\n\n\n\n

                            alert(\u201cManuten\u00e7\u00e3o preventiva recomendada\u201d)<\/p>\n\n\n\n

                            schedule_maintenance()<\/p>\n\n\n\n

                        <\/div>\n\n\n\n

                        Casos de estudo: instala\u00e7\u00f5es reais<\/strong><\/h2>\n\n\n\n

                        Hotel 5<\/strong>\u2605<\/strong> \u2013 1 200 m\u00b3 (3 piscinas)<\/strong><\/h3>\n\n\n\n

                        Requisitos:<\/strong><\/p>\n\n\n\n

                          \n
                        • Redund\u00e2ncia N+1<\/li>\n\n\n\n
                        • Integra\u00e7\u00e3o com o BMS<\/li>\n\n\n\n
                        • Efici\u00eancia > IE3<\/li>\n\n\n\n
                        • Telemetria na nuvem<\/li>\n<\/ul>\n\n\n\n

                          Solu\u00e7\u00e3o implementada:<\/strong><\/p>\n\n\n\n

                            \n
                          • 3 quadros independentes + 1 quadro geral<\/li>\n\n\n\n
                          • PLC redundante em modo hot-standby<\/li>\n\n\n\n
                          • Variadores com recupera\u00e7\u00e3o de energia<\/li>\n\n\n\n
                          • SCADA com aplica\u00e7\u00e3o m\u00f3vel<\/li>\n\n\n\n
                          • Analisador de redes com alarmes<\/li>\n<\/ul>\n\n\n\n

                            Resultados:<\/strong><\/p>\n\n\n\n

                              \n
                            • Disponibilidade: 99.95%<\/li>\n\n\n\n
                            • Poupan\u00e7a de energia: 38%<\/li>\n\n\n\n
                            • ROI: 22 meses<\/li>\n\n\n\n
                            • Incidentes cr\u00edticos: 0<\/li>\n<\/ul>\n\n\n\n

                              Conjunto habitacional com 200 habita\u00e7\u00f5es<\/strong><\/h3>\n\n\n\n

                              Requisitos:<\/strong><\/p>\n\n\n\n

                                \n
                              • Manuten\u00e7\u00e3o m\u00ednima<\/li>\n\n\n\n
                              • Controlo de acesso<\/li>\n\n\n\n
                              • Tarifa\u00e7\u00e3o por hora<\/li>\n<\/ul>\n\n\n\n

                                Solu\u00e7\u00e3o:<\/strong><\/p>\n\n\n\n

                                  \n
                                • Quadro compacto IP55<\/li>\n\n\n\n
                                • Log\u00f3tipo da Aut\u00f3mata + GSM<\/li>\n\n\n\n
                                • Rel\u00f3gio astron\u00f3mico<\/li>\n\n\n\n
                                • Regulador solar<\/li>\n<\/ul>\n\n\n\n

                                  Resultados:<\/strong><\/p>\n\n\n\n

                                    \n
                                  • Redu\u00e7\u00e3o do consumo: 42%<\/li>\n\n\n\n
                                  • Manuten\u00e7\u00f5es\/ano: 2<\/li>\n\n\n\n
                                  • Satisfa\u00e7\u00e3o dos vizinhos: 92%<\/li>\n<\/ul>\n\n\n\n
                                    <\/div>\n\n\n\n

                                    Legisla\u00e7\u00e3o e conformidade<\/strong><\/h2>\n\n\n\n

                                    Legisla\u00e7\u00e3o aplic\u00e1vel<\/strong><\/h3>\n\n\n\n
                                      \n
                                    • REBT ITC-BT-31:<\/strong> Piscinas e fontes<\/li>\n\n\n\n
                                    • UNE-HD 60364-7-702:<\/strong> Instala\u00e7\u00f5es de piscinas<\/li>\n\n\n\n
                                    • UNE-EN 61439:<\/strong> Conjuntos de vestu\u00e1rio lit\u00fargico<\/li>\n\n\n\n
                                    • UNE-EN 60204-1:<\/strong> Seguran\u00e7a das m\u00e1quinas<\/li>\n\n\n\n
                                    • UNE-EN 61508:<\/strong> Seguran\u00e7a funcional (SIL)<\/li>\n\n\n\n
                                    • RD 560\/2010:<\/strong> Qualifica\u00e7\u00e3o profissional<\/li>\n<\/ul>\n\n\n\n

                                      Volumes de proibi\u00e7\u00e3o<\/strong><\/h3>\n\n\n\n

                                      Volume 0: Dentro do copo<\/p>\n\n\n\n

                                        \u2013 Tudo proibido<\/p>\n\n\n\n

                                      Volume 1: 2 m na horizontal + 2,5 m na vertical a partir da borda<\/p>\n\n\n\n

                                        \u2013 IPX5, MBTS 12 V CA<\/p>\n\n\n\n

                                        \u2013 Classe II ou MBTS<\/p>\n\n\n\n

                                      Volume 2: 1,5 m a partir do volume 1<\/p>\n\n\n\n

                                        \u2013 IPX4, MBTS ou diferencial de 30 mA<\/p>\n\n\n\n

                                        \u2013 Tomadas proibidas<\/p>\n\n\n\n

                                      <\/div>\n\n\n\n

                                      Or\u00e7amento-tipo detalhado<\/strong><\/h2>\n\n\n\n

                                      Quadro da piscina comum de 500 m\u00b3<\/strong><\/h3>\n\n\n\n
                                      Conceito<\/strong><\/td>Quantidade<\/strong><\/td>P.Unit<\/strong><\/td>Total<\/strong><\/td><\/tr><\/thead>
                                      Revestimento e estrutura<\/strong><\/td><\/td><\/td><\/td><\/tr>
                                      Arm\u00e1rio 800\u00d7600\u00d7250 IP55<\/td>1<\/td>450\u20ac<\/td>450\u20ac<\/td><\/tr>
                                      Placa de montagem<\/td>1<\/td>85\u20ac<\/td>85\u20ac<\/td><\/tr>
                                      Calha e acess\u00f3rios<\/td>1<\/td>120\u20ac<\/td>120\u20ac<\/td><\/tr>
                                      Prote\u00e7\u00f5es<\/strong><\/td><\/td><\/td><\/td><\/tr>
                                      IGA 4P 63A curva C<\/td>1<\/td>185\u20ac<\/td>185\u20ac<\/td><\/tr>
                                      Diferencial 4P 63 A 300 mA sel<\/td>1<\/td>420\u20ac<\/td>420\u20ac<\/td><\/tr>
                                      Disjuntor diferencial 4P, 40 A, 30 mA, tipo A<\/td>3<\/td>245\u20ac<\/td>735\u20ac<\/td><\/tr>
                                      Disjuntores magn\u00e9tot\u00e9rmicos<\/td>12<\/td>35\u20ac<\/td>420\u20ac<\/td><\/tr>
                                      SPD tipo 2<\/td>1<\/td>380\u20ac<\/td>380\u20ac<\/td><\/tr>
                                      Controlo e automatiza\u00e7\u00e3o<\/strong><\/td><\/td><\/td><\/td><\/tr>
                                      PLC + m\u00f3dulos de E\/S<\/td>1<\/td>1,850\u20ac<\/td>1,850\u20ac<\/td><\/tr>
                                      Ecr\u00e3 HMI de 7\u2033<\/td>1<\/td>650\u20ac<\/td>650\u20ac<\/td><\/tr>
                                      Variador de 5,5 kW<\/td>1<\/td>890\u20ac<\/td>890\u20ac<\/td><\/tr>
                                      Rel\u00e9s e contactores<\/td>8<\/td>45\u20ac<\/td>360\u20ac<\/td><\/tr>
                                      Instrumenta\u00e7\u00e3o<\/strong><\/td><\/td><\/td><\/td><\/tr>
                                      Analisador de redes<\/td>1<\/td>450\u20ac<\/td>450\u20ac<\/td><\/tr>
                                      Sondas e transmissores<\/td>6<\/td>120\u20ac<\/td>720\u20ac<\/td><\/tr>
                                      Montagem e programa\u00e7\u00e3o<\/strong><\/td><\/td><\/td><\/td><\/tr>
                                      M\u00e3o-de-obra de montagem<\/td>24 horas<\/td>35\u20ac<\/td>840\u20ac<\/td><\/tr>
                                      Programa\u00e7\u00e3o PLC\/SCADA<\/td>16h<\/td>65\u20ac<\/td>1,040\u20ac<\/td><\/tr>
                                      Posi\u00e7\u00e3o inicial<\/td>8h<\/td>45\u20ac<\/td>360\u20ac<\/td><\/tr>
                                      TOTAL<\/strong><\/td><\/td><\/td>10,955\u20ac<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
                                      <\/div>\n\n\n\n

                                      Perguntas frequentes sobre temas t\u00e9cnicos especializados<\/strong><\/h2>\n\n\n\n

                                      Como \u00e9 que se dimensiona o diferencial com variadores de frequ\u00eancia?<\/strong><\/h3>\n\n\n\n

                                      Para variadores: 1) Utilize o tipo B ou F consoante a pot\u00eancia (F at\u00e9 7,5 kW, B para pot\u00eancias superiores), 2) Sensibilidade m\u00ednima de 100 mA devido \u00e0s correntes de fuga (3-5 mA\/kW), 3) Um disjuntor diferencial por variador para evitar disparos indesejados, 4) Instale filtros RFI na entrada para reduzir as fugas, 5) Cabo blindado ligado \u00e0 terra numa \u00fanica extremidade. Exemplo: Variador de 5,5 kW \u2192 Disjuntor diferencial tipo F de 40 A e 100 mA.<\/p>\n\n\n\n

                                      O analisador de redes \u00e9 obrigat\u00f3rio?<\/strong><\/h3>\n\n\n\n

                                      N\u00e3o \u00e9 obrigat\u00f3rio por norma, mas \u00e9 altamente recomend\u00e1vel em instala\u00e7\u00f5es com pot\u00eancia superior a 50 kW ou que utilizem variadores. Permite: detetar harm\u00f3nicos (THD), desequil\u00edbrios entre fases, fator de pot\u00eancia, picos de consumo e gerar registos hist\u00f3ricos para otimiza\u00e7\u00e3o. ROI t\u00edpico <18 meses devido \u00e0 poupan\u00e7a de energia (5-15%) e \u00e0 preven\u00e7\u00e3o de avarias.<\/p>\n\n\n\n

                                      Como integro o quadro com o sistema dom\u00f3tico KNX j\u00e1 existente?<\/strong><\/h3>\n\n\n\n

                                      Op\u00e7\u00f5es: 1) Gateway Modbus-KNX (recomendado): mapeia vari\u00e1veis do PLC para objetos KNX, 2) M\u00f3dulo de E\/S KNX direto para sinais simples, 3) Servidor OPC interm\u00e9dio para instala\u00e7\u00f5es complexas. Protocolo: Define objetos KNX para o estado das bombas (1.001), valores de refer\u00eancia (9.xxx), alarmes (1.005) e medi\u00e7\u00f5es (9.xxx, 14.xxx). Programa cen\u00e1rios coordenados entre piscina, jardim e habita\u00e7\u00e3o.<\/p>\n\n\n\n

                                      Como dimensionar o diferencial com variadores de frequ\u00eancia?<\/strong>

                                      Mantenha a resposta atual, mas verifique as recomenda\u00e7\u00f5es junto do fabricante do variador e do dispositivo diferencial.
                                      <\/p> <\/div>

                                      O analisador de redes \u00e9 obrigat\u00f3rio?<\/strong>

                                      Mant\u00e9m o conte\u00fado, mas elimina ou verifica o ROI e a percentagem de poupan\u00e7a.<\/p> <\/div>

                                      Como integrar o quadro numa instala\u00e7\u00e3o KNX j\u00e1 existente?<\/strong>

                                      Conserve as tr\u00eas alternativas e os tipos de objetos KNX.<\/p> <\/div> <\/div>\n\n\n\n

                                      <\/p>","protected":false},"excerpt":{"rendered":"

                                      Arquitectura el\u00e9ctrica profesional: dise\u00f1o integral Esquema unifilar tipo instalaci\u00f3n completa Dise\u00f1o, protecciones, automatizaci\u00f3n, variadores, normativa y mantenimiento de cuadros el\u00e9ctricos para piscinas ACOMETIDA \u2192 IGA \u2192 ICP \u2192 CGP \u2192 CUADRO PRINCIPAL                                     \u2193     \u251c\u2500\u2500 SUBCUADRO FILTRACI\u00d3N (Variadores, bombas)     \u251c\u2500\u2500 SUBCUADRO ILUMINACI\u00d3N (DMX, LED)     \u251c\u2500\u2500 SUBCUADRO TRATAMIENTO (Cloraci\u00f3n, dosificaci\u00f3n)     \u251c\u2500\u2500 SUBCUADRO CLIMATIZACI\u00d3N (Bombas calor)     \u2514\u2500\u2500 SUBCUADRO […]<\/p>\n","protected":false},"author":1,"featured_media":6470,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[862,1],"tags":[],"class_list":["post-5468","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cuadros-electricos","category-general"],"acf":[],"yoast_head":"\nCuadros el\u00e9ctricos para piscinas: gu\u00eda t\u00e9cnica | Trypool<\/title>\n<meta name=\"description\" content=\"Cuadros el\u00e9ctricos para piscinas: dise\u00f1o, protecciones, automatizaci\u00f3n, variadores, normativa, puesta en marcha y mantenimiento predictivo.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/trypool.com\/pt\/blogue\/quadros-eletricos-para-piscinas-servico-profissional\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" 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