PV Calculation

pv_flow.json

[
    {
        "id": "8fac7d4.a8d298",
        "type": "tab",
        "label": "PV",
        "disabled": false,
        "info": ""
    },
    {
        "id": "83528e7.dc0fc7",
        "type": "mqtt in",
        "z": "8fac7d4.a8d298",
        "name": "Power House Connection",
        "topic": "mbmd/se1-1-1/Power",
        "qos": "2",
        "datatype": "auto",
        "broker": "f3aed77c.522758",
        "x": 190,
        "y": 200,
        "wires": [
            [
                "4e7e0ca9.687b04",
                "b9b5ff57.d5eb9"
            ]
        ]
    },
    {
        "id": "76efc692.bdc698",
        "type": "mqtt in",
        "z": "8fac7d4.a8d298",
        "name": "PV Production",
        "topic": "mbmd/se1-1/Power",
        "qos": "2",
        "datatype": "auto",
        "broker": "f3aed77c.522758",
        "x": 150,
        "y": 80,
        "wires": [
            [
                "4e7e0ca9.687b04"
            ]
        ]
    },
    {
        "id": "659fee86.7462b",
        "type": "mqtt out",
        "z": "8fac7d4.a8d298",
        "name": "House Export",
        "topic": "mbmd/se1-1-1/PowerExport",
        "qos": "",
        "retain": "",
        "broker": "f3aed77c.522758",
        "x": 880,
        "y": 200,
        "wires": []
    },
    {
        "id": "4ab9678.0628198",
        "type": "mqtt out",
        "z": "8fac7d4.a8d298",
        "name": "House Import",
        "topic": "mbmd/se1-1-1/PowerImport",
        "qos": "",
        "retain": "",
        "broker": "f3aed77c.522758",
        "x": 880,
        "y": 280,
        "wires": []
    },
    {
        "id": "f889eff6.220ef",
        "type": "function",
        "z": "8fac7d4.a8d298",
        "name": "ABS( < 0 )",
        "func": "var f = msg.payload\n\nmsg.payload = (f < 0 ? f * -1.0 : 0).toFixed(3)\n\nreturn msg",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "x": 680,
        "y": 280,
        "wires": [
            [
                "4ab9678.0628198"
            ]
        ]
    },
    {
        "id": "4e7e0ca9.687b04",
        "type": "join",
        "z": "8fac7d4.a8d298",
        "name": "",
        "mode": "custom",
        "build": "object",
        "property": "payload",
        "propertyType": "msg",
        "key": "topic",
        "joiner": "\\n",
        "joinerType": "str",
        "accumulate": false,
        "timeout": "",
        "count": "2",
        "reduceRight": false,
        "reduceExp": "",
        "reduceInit": "",
        "reduceInitType": "",
        "reduceFixup": "",
        "x": 450,
        "y": 80,
        "wires": [
            [
                "f68196a3.201248"
            ]
        ]
    },
    {
        "id": "f68196a3.201248",
        "type": "function",
        "z": "8fac7d4.a8d298",
        "name": "Differenz",
        "func": "var prod = parseFloat(msg.payload[\"mbmd/se1-1/Power\"])\nvar expo = parseFloat(msg.payload[\"mbmd/se1-1-1/Power\"])\n\nif (isNaN(prod) || isNaN(expo)) return null\nif (expo > prod) return null\n\nmsg.payload = (expo > 0 ? prod - expo : prod).toFixed(3)\n\nreturn msg",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "x": 680,
        "y": 80,
        "wires": [
            [
                "41f53006.88c84"
            ]
        ]
    },
    {
        "id": "41f53006.88c84",
        "type": "mqtt out",
        "z": "8fac7d4.a8d298",
        "name": "Eigenverbrauch",
        "topic": "mbmd/se1-1-1/PowerSelfConsumption",
        "qos": "",
        "retain": "",
        "broker": "f3aed77c.522758",
        "x": 880,
        "y": 80,
        "wires": []
    },
    {
        "id": "b9b5ff57.d5eb9",
        "type": "function",
        "z": "8fac7d4.a8d298",
        "name": "toFloat",
        "func": "var f = parseFloat(msg.payload)\n\nif (isNaN(f)) return null\n\nmsg.payload = f\nreturn msg\n",
        "outputs": 1,
        "noerr": 0,
        "x": 460,
        "y": 200,
        "wires": [
            [
                "3f24b5ea.29dc1a",
                "f889eff6.220ef"
            ]
        ]
    },
    {
        "id": "3f24b5ea.29dc1a",
        "type": "function",
        "z": "8fac7d4.a8d298",
        "name": ">0",
        "func": "var f = msg.payload\n\nmsg.payload = (f >= 0.0 ? f : 0.000).toFixed(3)\n\nreturn msg\n",
        "outputs": 1,
        "noerr": 0,
        "x": 670,
        "y": 200,
        "wires": [
            [
                "659fee86.7462b"
            ]
        ]
    },
    {
        "id": "f3aed77c.522758",
        "type": "mqtt-broker",
        "z": "",
        "name": "home",
        "broker": "my.mqtt.server",
        "port": "1883",
        "clientid": "",
        "usetls": false,
        "compatmode": false,
        "keepalive": "60",
        "cleansession": true,
        "birthTopic": "",
        "birthQos": "0",
        "birthPayload": "",
        "closeTopic": "",
        "closeQos": "0",
        "closePayload": "",
        "willTopic": "",
        "willQos": "0",
        "willPayload": ""
    }
]