Apparent, reactive power measurement unit corrections (#2161)

* Update sensor.ino

Apparent, reactive power measurement unit corrections.

* Update sensor.ino

code/espurna/sensor.ino

@@ -90,6 +90,10 @@ PROGMEM const char magnitude_amperes[] = "A";
 PROGMEM const char magnitude_volts[] = "V";
 PROGMEM const char magnitude_watts[] = "W";
 PROGMEM const char magnitude_kw[] = "kW";
+PROGMEM const char magnitude_VA[] = "VA";
+PROGMEM const char magnitude_kVA[] = "kVA";
+PROGMEM const char magnitude_VAR[] = "VAR";
+PROGMEM const char magnitude_kVAR[] = "kVAR";
 PROGMEM const char magnitude_joules[] = "J";
 PROGMEM const char magnitude_kwh[] = "kWh";
 PROGMEM const char magnitude_ugm3[] = "µg/m³";
@@ -105,7 +109,7 @@ PROGMEM const char magnitude_resistance[] = "ohm";
 PROGMEM const char* const magnitude_units[] = {
     magnitude_empty, magnitude_celsius, magnitude_percentage,
     magnitude_hectopascals, magnitude_amperes, magnitude_volts,
-    magnitude_watts, magnitude_watts, magnitude_watts,
+    magnitude_watts, magnitude_VA, magnitude_VAR,
     magnitude_percentage, magnitude_joules, magnitude_joules,
     magnitude_empty, magnitude_empty, magnitude_empty,
     magnitude_ugm3, magnitude_ugm3, magnitude_ugm3,
@@ -1933,9 +1937,14 @@ String magnitudeUnits(unsigned char type) {
             (_sensor_energy_units == ENERGY_KWH)) {
             strncpy_P(buffer, magnitude_kwh, sizeof(buffer));
         } else if (
-            (type == MAGNITUDE_POWER_ACTIVE || type == MAGNITUDE_POWER_APPARENT || type == MAGNITUDE_POWER_REACTIVE) &&
-            (_sensor_power_units == POWER_KILOWATTS)) {
+            (type == MAGNITUDE_POWER_ACTIVE ) && (_sensor_power_units == POWER_KILOWATTS)) {
             strncpy_P(buffer, magnitude_kw, sizeof(buffer));
+	} else if (
+	    (type == MAGNITUDE_POWER_APPARENT ) && (_sensor_power_units == POWER_KILOWATTS )) {
+	     strncpy_P(buffer, magnitude_kVA, sizeof(buffer));
+	} else if (
+	    (type == MAGNITUDE_POWER_REACTIVE)  && (_sensor_power_units == POWER_KILOWATTS )) {
+	     strncpy_P(buffer, magnitude_kVAR, sizeof(buffer));
         } else {
             strncpy_P(buffer, magnitude_units[type], sizeof(buffer));
         }