@signalk/n2k-signalk/dist/maretron/reactivePower.js

NMEA 2000 to SignalK conversion library

"use strict";
const { set } = require('lodash');
module.exports = (type, phase) => {
    function prefix(n2k, state) {
        return `electrical.${type}.${state.deviceInstance || 0}.${phase}`;
    }
    return [
        {
            source: 'reactivePower',
            node: function (n2k, state) {
                return `${prefix(n2k, state)}.reactivePower`;
            },
            filter: (n2k, state) => {
                return state.deviceInstance != null;
            }
        },
        {
            node: function (n2k, state) {
                return `${prefix(n2k, state)}.powerFactor`;
            },
            value: (n2k, state) => {
                const val = n2k.fields.powerFactor;
                set(state, `maretron.${prefix(n2k, state)}.powerFactor`, val);
                return val / 32768;
            },
            filter: (n2k, state) => {
                return n2k.fields.powerFactor != null &&
                    state.deviceInstance != null;
            }
        },
        {
            node: function (n2k, state) {
                return `${prefix(n2k, state)}.powerFactorLagging`;
            },
            value: (n2k) => {
                return n2k.fields.powerFactorLagging.toLowerCase();
            },
            filter: (n2k, state) => {
                return n2k.fields.powerFactorLagging != null &&
                    state.deviceInstance != null;
            }
        },
    ];
};
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