Barometric Pressure Barometric Temp HPA ± 60 Pa Pascals) Back Panel Temperature Temperature probe for back ± 1⁰ ⁰C (Degree C) panel temperature Of Array Irradiance Pyranometer or Equivalent W/m² ± 25 W/m² Watts\Meter Sq. Global Horizontal Irradiance Pyranometer or Equivalent W/m² ± 25 W/m² Watts\Meter Sq. Direct Irradiance Pyranometer or Equivalent W/m² ± 25 W/m² Watts\Meter Sq. Table 13.5.2 details the units and accuracy of measurements for telemetry data points to be sent to the CAISO in real time (i.e., 4 seconds) from solar EIRs, depending on the solar technology. Refer to Section 17.4 for detailed information. Irradiance Component Requirements Table 13.5.3 represents the minimum required (R) measurement of solar irradiance component and backplane temperature by solar generating technology. Global Global Direct Back Panel Horizontal Irradiance/ Irradiance Temperature Irradiance Plane of Array (DIRD) (BPTEMP) (GHIRD) (PAIRD) PV (fixed / horizontal / flat R R roof) Flat-Plat PV (fixed angle / azimuth R R tracking) Flat-Plate PV (DNI zenith & azimuth R R tracking) Flat-Plate PV (DNI zenith & azimuth R R tracking) Solar (thermal fixed angle R R mounted) Flat-Panel Thermal Collector (azimuth R R tracking) Low Concentrating R R PV (LCPV) High Concentrating R R PV (HCPV)
Barometric Pressure Pascals) Barometric Temp HPA ± 60 Pa Back Panel Temperature (Degree C) Temperature probe for back panel temperature ⁰C ± 1⁰ Of Array Irradiance Watts\Meter Sq. Pyranometer or Equivalent W/m² ± 25 W/m² Global Horizontal Irradiance Watts\Meter Sq. Pyranometer or Equivalent W/m² ± 25 W/m² Direct Irradiance Watts\Meter Sq. Pyranometer or Equivalent W/m² ± 25 W/m² Table 13.5.2 details the units and accuracy of measurements for telemetry data points to be sent to the CAISO in real time (i.e., 4 seconds) from solar EIRs, depending on the solar technology. Refer to Section 17.4 for detailed information. Irradiance Component Requirements Table 13.5.3 represents the minimum required (R) measurement of solar irradiance component and backplane temperature by solar generating technology. Direct Irradiance (DIRD) Global Horizontal Irradiance (GHIRD) Global Irradiance/ Plane of Array (PAIRD) Back Panel Temperature (BPTEMP) PV (fixed / horizontal / flat roof) R R Flat-Plat PV (fixed angle / azimuth tracking) R R Flat-Plate PV (DNI zenith & azimuth tracking) R R Flat-Plate PV (DNI zenith & azimuth tracking) R R Solar (thermal fixed angle mounted) R R Flat-Panel Thermal Collector (azimuth tracking) R R Low Concentrating PV (LCPV) R R High Concentrating PV (HCPV) R R
BPM_for_Direct_Telemetry_V10_clean.docx