{
  "node": {
    "id": "term:electromagnetic-compatibility",
    "type": "Term",
    "label": "Electromagnetic compatibility",
    "properties": {
      "id": "electromagnetic-compatibility",
      "name": "Electromagnetic compatibility",
      "aka": [
        "EMC",
        "electromagnetic interference",
        "EMI"
      ],
      "section": "topic-data",
      "definition": "The ability of electronics to work without disturbing other equipment or being disturbed by it. A BMS must keep its own emissions low and keep measuring cell voltages accurately next to an inverter switching hundreds of amperes; vehicles prove it under UN R10, with filtering, shielding and layout as the tools.",
      "related": [
        "un-r10",
        "emi-filter",
        "bms",
        "inverter",
        "wiring-harness",
        "iec-61000-6"
      ],
      "url": "https://lemonergy.com/learn/glossary/electromagnetic-compatibility/",
      "mentions": []
    }
  },
  "edges": [
    {
      "id": "edge:5173",
      "source": "term:electromagnetic-compatibility",
      "target": "topic:topic-data",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:5174",
      "source": "term:electromagnetic-compatibility",
      "target": "term:un-r10",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:5175",
      "source": "term:electromagnetic-compatibility",
      "target": "term:emi-filter",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:5176",
      "source": "term:electromagnetic-compatibility",
      "target": "term:bms",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:5177",
      "source": "term:electromagnetic-compatibility",
      "target": "term:inverter",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:5178",
      "source": "term:electromagnetic-compatibility",
      "target": "term:wiring-harness",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:5179",
      "source": "term:electromagnetic-compatibility",
      "target": "term:iec-61000-6",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    }
  ],
  "neighbors": [
    {
      "id": "topic:topic-data",
      "type": "Topic",
      "label": "Data, communication and electronics",
      "properties": {
        "id": "topic-data",
        "name": "Data, communication and electronics",
        "lede": "The control units, chips, protocols and file formats through which a battery is measured, controlled and logged.",
        "context": "Separate quantities from encoding and transport.",
        "example": "2500 in a log might mean 25.00 °C, 2.5 V or raw counts. Units and scale must accompany the value.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/battery-basics/",
        "lesson_label": "Open battery basics"
      }
    },
    {
      "id": "term:un-r10",
      "type": "Term",
      "label": "UN Regulation No. 10",
      "properties": {
        "id": "un-r10",
        "name": "UN Regulation No. 10",
        "abbr": "R10",
        "aka": [
          "ECE R10",
          "automotive EMC"
        ],
        "section": "topic-standards-vehicle",
        "definition": "The UNECE electromagnetic-compatibility regulation for vehicles and their electronic sub-assemblies. A BMS or charger must show it neither emits interference nor fails under it, including while the vehicle is charging from the grid.",
        "related": [
          "bms",
          "charger",
          "un-r100",
          "onboard-charger"
        ],
        "url": "https://lemonergy.com/learn/glossary/un-r10/",
        "mentions": []
      }
    },
    {
      "id": "term:emi-filter",
      "type": "Term",
      "label": "EMI filter",
      "properties": {
        "id": "emi-filter",
        "name": "EMI filter",
        "aka": [
          "EMC filter",
          "line filter",
          "noise filter"
        ],
        "section": "topic-data",
        "definition": "A network of inductors and capacitors, typically common-mode chokes with X and Y capacitors, that stops high-frequency noise travelling along cables. Inverters, chargers and DC/DC converters need them to pass compatibility tests; on high-voltage lines the Y capacitors to chassis also store energy and pass touch current, which safety standards limit.",
        "related": [
          "electromagnetic-compatibility",
          "inverter",
          "dc-dc-converter",
          "onboard-charger",
          "insulation-resistance"
        ],
        "url": "https://lemonergy.com/learn/glossary/emi-filter/",
        "mentions": []
      }
    },
    {
      "id": "term:bms",
      "type": "Term",
      "label": "Battery management system",
      "properties": {
        "id": "bms",
        "name": "Battery management system",
        "abbr": "BMS",
        "section": "topic-pack",
        "definition": "The electronics and software that keep a battery inside its safe window: measuring every cell voltage and many temperatures, estimating SOC and SOH, balancing cells, computing current limits, controlling the contactors and reporting over the vehicle network.",
        "related": [
          "state-of-charge",
          "cell-balancing",
          "state-of-power",
          "cell-supervision-circuit",
          "contactor",
          "can-bus"
        ],
        "lesson": "fundamentals/battery-basics/#cell-module-pack",
        "url": "https://lemonergy.com/learn/glossary/bms/",
        "mentions": [
          "state-of-health",
          "cell-voltage"
        ]
      }
    },
    {
      "id": "term:inverter",
      "type": "Term",
      "label": "Inverter",
      "properties": {
        "id": "inverter",
        "name": "Inverter",
        "aka": [
          "power conversion system",
          "PCS"
        ],
        "section": "topic-pack",
        "definition": "The power electronics that turn the battery’s DC into AC for a motor or the grid, and back again for charging. In stationary storage it is called the power conversion system and its rating in kW or MW sets the system’s power independently of the battery’s energy.",
        "related": [
          "pre-charge",
          "dc-dc-converter",
          "stationary-storage",
          "energy-management-system",
          "direct-current",
          "iec-62477-1"
        ],
        "url": "https://lemonergy.com/learn/glossary/inverter/",
        "mentions": []
      }
    },
    {
      "id": "term:wiring-harness",
      "type": "Term",
      "label": "Wiring harness",
      "properties": {
        "id": "wiring-harness",
        "name": "Wiring harness",
        "aka": [
          "cable harness",
          "HV harness",
          "LV harness"
        ],
        "section": "topic-pack",
        "definition": "The bundle of cables, connectors and fixings that carries power and signals through a pack or vehicle. High-voltage cables outside an enclosure must have an orange covering under UN R100; the low-voltage harness carries cell-sense lines, CAN, HVIL and supply. Chafed wires and fretted connector pins cause many field faults.",
        "related": [
          "voltage-sense",
          "high-voltage-interlock",
          "can-bus",
          "flexible-printed-circuit",
          "wireless-bms",
          "voltage-class"
        ],
        "url": "https://lemonergy.com/learn/glossary/wiring-harness/",
        "mentions": [
          "enclosure",
          "un-r100"
        ]
      }
    },
    {
      "id": "term:iec-61000-6",
      "type": "Term",
      "label": "IEC 61000-6-2 and 61000-6-4",
      "properties": {
        "id": "iec-61000-6",
        "name": "IEC 61000-6-2 and 61000-6-4",
        "aka": [
          "EN 61000-6-2",
          "EN 61000-6-4",
          "industrial EMC"
        ],
        "section": "topic-standards-stationary",
        "definition": "The IEC generic EMC standards for industrial environments: 61000-6-2 sets immunity to electrostatic discharge, bursts, surges, radiated and conducted RF and voltage dips, and 61000-6-4 limits emissions. They apply when no product-specific EMC standard exists, and battery-operated apparatus in industrial locations is explicitly within their scope.",
        "related": [
          "un-r10",
          "bms",
          "charger",
          "inverter",
          "stationary-storage"
        ],
        "url": "https://lemonergy.com/learn/glossary/iec-61000-6/",
        "mentions": [
          "emc"
        ]
      }
    }
  ]
}