PVRemote Data Acquisition Parameter Table for Power Station Inverters - Data AcquisitionIoT

https://zhuanlan.zhihu.com/p/1913212312451516349
As a professional provider of IoT data acquisition solutions and an expert in industrial IoT data acquisition, the editor of Shanghai Data Acquisition IOT Technology Co., Ltd， (daq-iot) hereby presents the following introduction, and sincerely welcomes discussions and exchanges.
Supported Communication Interfaces: CAN, RS485, Mbus, 4–20mA, Profibus, CC-Link, HART, digital I/O, etc.
Industrial Protocols: Modbus RTU/TCP, HJ212, IEC104, DLT645, DLMS, IEC61850, MQTT, etc.
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Parameter Category Parameter Name Parameter Description Unit/Example Remarks Power Generation Parameter Total Power Generation inverterAccumulated total power generation kWh (kilowatt hours) Historical cumulative data Daily power generation Daily cumulative power generation kWh Resettable monthly power generation Monthly cumulative power generation kWh a Annual power generation Annual cumulative power generation kWh a Real-time Power generation Current instantaneous power generation kW or MW Dynamic change value Input side electrical parameters DC voltage(DC Voltage)PVThe DC voltage V (volts) of the string input can be monitored in different channels when multiple inputs are used direct current(DC Current) PV string input DC current A (Ampere) a DC power (DC Power) input side DC total power kW voltage x current MPPT voltage/current/power Maximum power point trackingVoltage, current, and power V/A/kW in MPPT state. Multi channel MPPT can independently monitor output side electrical parameters AC voltageThe AC voltage output by the inverter (single-phase/three-phase) V (volts) supports phase monitoring (L1/L2/L3) alternating currentThe AC current output by the inverter is A (amperes) and the AC power is Real-time. The AC power output by the inverter is kW or MW, and the active power is the main frequency. The frequency of the AC power output is usually 50/60Hz (hertz) power factorThe output power factor (ratio of active power to apparent power) of 0.8~1.0 reflects the efficiency and performance parameters of power grid interaction efficiency. The overall efficiency of DC to AC conversion efficiency is% (percentage) Real-time or the daily average efficiency MPPT efficiency. The maximum power point tracking efficiency is%, which reflects the optimization ability of the PV string. Equipment state parameters include the internal temperature of key components in the inverter, such as PVIGBTThe temperature (℃) of the capacitor is used for over temperature warning. The temperature is monitored by the radiator temperature, radiator or cooling fan. The operating status of the inverter (standby, running, fault, shutdown, etc.) is listed as a value (such as 0- normal). The cumulative operating time of the inverter is hours (h). The maintenance cycle refers to the communication status and the communication connection status of the monitoring system or power grid. The version information text of the inverter control software is a, the environmental parameters are environmental temperature, and the temperature of the inverter installation environment may require externalSensor. The irradiance of the area where the PV board is located is W/m ², which indirectly reflects the power generation potential, humidity, and environmental humidity (affecting heat dissipation and insulation).% RH a Fault and protection parameter fault code: The specific fault type (such as overvoltage, overcurrent, etc.) when the inverter reports an error. Code (such as F01) corresponds to the specific fault description. Protection trigger record: Historical protection events (such as over temperature protection, abnormal disconnection of the power grid, etc.) timestamp+event type a. islanding effect status detection: whether islanding operation has occurred (disconnected from the power grid but continuously supplying power) Yes/No Safety protection function: Grid interaction parameters: Grid voltage at the grid connection point V Monitoring grid stability Grid frequency at the grid connection point Hz a Total electricity transmitted to the grid kWh Bidirectional metering function
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| serial number | parameter category | parameter name | Parameter Description | Unit/Example | Remark |
| 1 | Power generation parameters | Total power generation | Accumulated total power generation of inverters | KWh (kilowatt hour) | Historical cumulative data |
| 2 | Daily power generation | Accumulated daily power generation | kWh | resettable |
| 3 | Monthly power generation | Accumulated monthly power generation | kWh | |
| 4 | Annual power generation | Accumulated power generation in that year | kWh | |
| 5 | Real-time Power generation | Current instantaneous power generation | KW or MW | Dynamic change value |
| 6 | Input side electrical parameters | DC Voltage | PV string input DC voltage | V (volts) | Multiple inputs can be monitored in separate channels |
| 7 | Direct current (DC current) | PV string input DC current | A (Ampere) | |
| 8 | DC Power | Total DC power on the input side | kW | Voltage x Current |
| 9 | MPPT voltage/current/power | Voltage, current, and power in maximum power point tracking (MPPT) state | V/A/kW | Multi channel MPPT can be independently monitored |
| 10 | Output side electrical parameters | AC Voltage | AC voltage output by inverter (single-phase/three-phase) | V (volts) | Support phase monitoring (L1/L2/L3) |
| 11 | AC Current | AC current output by inverter | A (Ampere) | |
| 12 | AC Power | Real-time AC power output by inverter | KW or MW | Main active power |
| 13 | Frequency | Frequency of output AC power | Hz (Hertz) | Usually 50/60Hz |
| 14 | Power Factor | Output power factor (ratio of active power to apparent power) | 0.8~1.0 | Reflecting the efficiency of power grid interaction |
| 15 | Efficiency and performance parameters | conversion efficiency | Overall efficiency of DC to AC conversion | %(percentage) | Real-time or daily average efficiency |
| 16 | MPPT efficiency | Maximum power point tracking efficiency | % | Reflecting the optimization capability of PV string |
| 17 | Equipment status parameters | Internal temperature of inverter | Temperature of key components such as IGBT and capacitors | ℃ | Basis for over temperature warning |
| 18 | Temperature of radiator | Monitoring temperature of radiator or cooling fan | ℃ | |
| 19 | Operating status | Inverter working status (standby, running, fault, shutdown, etc.) | Enumeration values (e.g. 0-normal) | |
| 20 | Accumulated running time | Total working time of inverter | Hour (h) | Maintenance cycle reference |
| 21 | Communication status | Communication connection status with monitoring system or power grid | Normal/Interrupted | |
| 22 | Firmware version | Version information of inverter control software | text | |
| 23 | environmental parameters | Ambient temperature | Temperature of inverter installation environment | ℃ | External Sensor may be required |
| 24 | illuminance | The irradiance in the area where thePVboard is located | W/m² | Indirectly reflecting the potential for power generation |
| 25 | humidity | Environmental humidity (affecting heat dissipation and insulation) | %RH | |
| 26 | Fault and protection parameters | Fault code | Specific fault types when the inverter reports an error (such as overvoltage, overcurrent, etc.) | Code (e.g. F01) | Corresponding specific fault description |
| 27 | Protect trigger records | Historical protection events (such as over temperature protection, abnormal disconnection of the power grid, etc.) | Timestamp+Event Type | |
| 28 | Island effect state | Detect whether islanding operation has occurred (disconnected from the power grid but with continuous power supply) | Yes | Security protection function |
| 29 | Grid interaction parameters | grid voltage | Grid voltage at the grid connection point | V | Monitoring the stability of the power grid |
| 30 | grid frequency | Grid frequency at the grid connection point | Hz | |
| 31 | Feed in electricity to the grid | The total amount of electricity transmitted to the power grid | kWh | Bidirectional metering function |
| Note:http://www.daq-iot.com 1. This table is applicable to the universal PV inverter, and specific parameters may vary depending on the brand and model. 2. Communication method: Parameters can be transmitted to the monitoring platform through RS485, Wi Fi, 4G, or Ethernet. 3. Scalability: Some parameters (such as light intensity and wind speed) need to rely on external Sensor or meteorological station data. 4. Safety parameters: Insulation monitoring parameters such as insulation resistance and leakage current may be included in high-end inverters. |
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| --- | --- | --- | --- | --- | --- |
| serial number | parameter category | parameter name | Parameter Description | Unit/Example | Remark |
| 1 | Power generation parameters | Total power generation | Accumulated total power generation of inverters | KWh (kilowatt hour) | Historical cumulative data |
| 2 | Daily power generation | Accumulated daily power generation | kWh | resettable |
| 3 | Monthly power generation | Accumulated monthly power generation | kWh | |
| 4 | Annual power generation | Accumulated power generation in that year | kWh | |
| 5 | Real-time Power generation | Current instantaneous power generation | KW or MW | Dynamic change value |
| 6 | Input side electrical parameters | DC Voltage | PV string input DC voltage | V (volts) | Multiple inputs can be monitored in separate channels |
| 7 | Direct current (DC current) | PV string input DC current | A (Ampere) | |
| 8 | DC Power | Total DC power on the input side | kW | Voltage x Current |
| 9 | MPPT voltage/current/power | Voltage, current, and power in maximum power point tracking (MPPT) state | V/A/kW | Multi channel MPPT can be independently monitored |
| 10 | Output side electrical parameters | AC Voltage | AC voltage output by inverter (single-phase/three-phase) | V (volts) | Support phase monitoring (L1/L2/L3) |
| 11 | AC Current | AC current output by inverter | A (Ampere) | |
| 12 | AC Power | Real-time AC power output by inverter | KW or MW | Main active power |
| 13 | Frequency | Frequency of output AC power | Hz (Hertz) | Usually 50/60Hz |
| 14 | Power Factor | Output power factor (ratio of active power to apparent power) | 0.8~1.0 | Reflecting the efficiency of power grid interaction |
| 15 | Efficiency and performance parameters | conversion efficiency | Overall efficiency of DC to AC conversion | %(percentage) | Real-time or daily average efficiency |
| 16 | MPPT efficiency | Maximum power point tracking efficiency | % | Reflecting the optimization capability of PV string |
| 17 | Equipment status parameters | Internal temperature of inverter | Temperature of key components such as IGBT and capacitors | ℃ | Basis for over temperature warning |
| 18 | Temperature of radiator | Monitoring temperature of radiator or cooling fan | ℃ | |
| 19 | Operating status | Inverter working status (standby, running, fault, shutdown, etc.) | Enumeration values (e.g. 0-normal) | |
| 20 | Accumulated running time | Total working time of inverter | Hour (h) | Maintenance cycle reference |
| 21 | Communication status | Communication connection status with monitoring system or power grid | Normal/Interrupted | |
| 22 | Firmware version | Version information of inverter control software | text | |
| 23 | environmental parameters | Ambient temperature | Temperature of inverter installation environment | ℃ | External Sensor may be required |
| 24 | illuminance | The irradiance in the area where thePVboard is located | W/m² | Indirectly reflecting the potential for power generation |
| 25 | humidity | Environmental humidity (affecting heat dissipation and insulation) | %RH | |
| 26 | Fault and protection parameters | Fault code | Specific fault types when the inverter reports an error (such as overvoltage, overcurrent, etc.) | Code (e.g. F01) | Corresponding specific fault description |
| 27 | Protect trigger records | Historical protection events (such as over temperature protection, abnormal disconnection of the power grid, etc.) | Timestamp+Event Type | |
| 28 | Island effect state | Detect whether islanding operation has occurred (disconnected from the power grid but with continuous power supply) | Yes | Security protection function |
| 29 | Grid interaction parameters | grid voltage | Grid voltage at the grid connection point | V | Monitoring the stability of the power grid |
| 30 | grid frequency | Grid frequency at the grid connection point | Hz | |
| 31 | Feed in electricity to the grid | The total amount of electricity transmitted to the power grid | kWh | Bidirectional metering function |
| Note:http://www.daq-iot.com 1. This table is applicable to the universal PV inverter, and specific parameters may vary depending on the brand and model. 2. Communication method: Parameters can be transmitted to the monitoring platform through RS485, Wi Fi, 4G, or Ethernet. 3. Scalability: Some parameters (such as light intensity and wind speed) need to rely on external Sensor or meteorological station data. 4. Safety parameters: Insulation monitoring parameters such as insulation resistance and leakage current may be included in high-end inverters. |
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| --- | --- | --- | --- | --- | --- |
| serial number | parameter category | parameter name | Parameter Description | Unit/Example | Remark |
| 1 | Power generation parameters | Total power generation | Accumulated total power generation of inverters | KWh (kilowatt hour) | Historical cumulative data |
| 2 | Daily power generation | Accumulated daily power generation | kWh | resettable |
| 3 | Monthly power generation | Accumulated monthly power generation | kWh | |
| 4 | Annual power generation | Accumulated power generation in that year | kWh | |
| 5 | Real-time Power generation | Current instantaneous power generation | KW or MW | Dynamic change value |
| 6 | Input side electrical parameters | DC Voltage | PV string input DC voltage | V (volts) | Multiple inputs can be monitored in separate channels |
| 7 | Direct current (DC current) | PV string input DC current | A (Ampere) | |
| 8 | DC Power | Total DC power on the input side | kW | Voltage x Current |
| 9 | MPPT voltage/current/power | Voltage, current, and power in maximum power point tracking (MPPT) state | V/A/kW | Multi channel MPPT can be independently monitored |
| 10 | Output side electrical parameters | AC Voltage | AC voltage output by inverter (single-phase/three-phase) | V (volts) | Support phase monitoring (L1/L2/L3) |
| 11 | AC Current | AC current output by inverter | A (Ampere) | |
| 12 | AC Power | Real-time AC power output by inverter | KW or MW | Main active power |
| 13 | Frequency | Frequency of output AC power | Hz (Hertz) | Usually 50/60Hz |
| 14 | Power Factor | Output power factor (ratio of active power to apparent power) | 0.8~1.0 | Reflecting the efficiency of power grid interaction |
| 15 | Efficiency and performance parameters | conversion efficiency | Overall efficiency of DC to AC conversion | %(percentage) | Real-time or daily average efficiency |
| 16 | MPPT efficiency | Maximum power point tracking efficiency | % | Reflecting the optimization capability of PV string |
| 17 | Equipment status parameters | Internal temperature of inverter | Temperature of key components such as IGBT and capacitors | ℃ | Basis for over temperature warning |
| 18 | Temperature of radiator | Monitoring temperature of radiator or cooling fan | ℃ | |
| 19 | Operating status | Inverter working status (standby, running, fault, shutdown, etc.) | Enumeration values (e.g. 0-normal) | |
| 20 | Accumulated running time | Total working time of inverter | Hour (h) | Maintenance cycle reference |
| 21 | Communication status | Communication connection status with monitoring system or power grid | Normal/Interrupted | |
| 22 | Firmware version | Version information of inverter control software | text | |
| 23 | environmental parameters | Ambient temperature | Temperature of inverter installation environment | ℃ | External Sensor may be required |
| 24 | illuminance | The irradiance in the area where thePVboard is located | W/m² | Indirectly reflecting the potential for power generation |
| 25 | humidity | Environmental humidity (affecting heat dissipation and insulation) | %RH | |
| 26 | Fault and protection parameters | Fault code | Specific fault types when the inverter reports an error (such as overvoltage, overcurrent, etc.) | Code (e.g. F01) | Corresponding specific fault description |
| 27 | Protect trigger records | Historical protection events (such as over temperature protection, abnormal disconnection of the power grid, etc.) | Timestamp+Event Type | |
| 28 | Island effect state | Detect whether islanding operation has occurred (disconnected from the power grid but with continuous power supply) | Yes | Security protection function |
| 29 | Grid interaction parameters | grid voltage | Grid voltage at the grid connection point | V | Monitoring the stability of the power grid |
| 30 | grid frequency | Grid frequency at the grid connection point | Hz | |
| 31 | Feed in electricity to the grid | The total amount of electricity transmitted to the power grid | kWh | Bidirectional metering function |
| Note:http://www.daq-iot.com 1. This table is applicable to the universal PV inverter, and specific parameters may vary depending on the brand and model. 2. Communication method: Parameters can be transmitted to the monitoring platform through RS485, Wi Fi, 4G, or Ethernet. 3. Scalability: Some parameters (such as light intensity and wind speed) need to rely on external Sensor or meteorological station data. 4. Safety parameters: Insulation monitoring parameters such as insulation resistance and leakage current may be included in high-end inverters. |
| | | | | | |
| --- | --- | --- | --- | --- | --- |
| serial number | parameter category | parameter name | Parameter Description | Unit/Example | Remark |
| 1 | Power generation parameters | Total power generation | Accumulated total power generation of inverters | KWh (kilowatt hour) | Historical cumulative data |
| 2 | Daily power generation | Accumulated daily power generation | kWh | resettable |
| 3 | Monthly power generation | Accumulated monthly power generation | kWh | |
| 4 | Annual power generation | Accumulated power generation in that year | kWh | |
| 5 | Real-time Power generation | Current instantaneous power generation | KW or MW | Dynamic change value |
| 6 | Input side electrical parameters | DC Voltage | PV string input DC voltage | V (volts) | Multiple inputs can be monitored in separate channels |
| 7 | Direct current (DC current) | PV string input DC current | A (Ampere) | |
| 8 | DC Power | Total DC power on the input side | kW | Voltage x Current |
| 9 | MPPT voltage/current/power | Voltage, current, and power in maximum power point tracking (MPPT) state | V/A/kW | Multi channel MPPT can be independently monitored |
| 10 | Output side electrical parameters | AC Voltage | AC voltage output by inverter (single-phase/three-phase) | V (volts) | Support phase monitoring (L1/L2/L3) |
| 11 | AC Current | AC current output by inverter | A (Ampere) | |
| 12 | AC Power | Real-time AC power output by inverter | KW or MW | Main active power |
| 13 | Frequency | Frequency of output AC power | Hz (Hertz) | Usually 50/60Hz |
| 14 | Power Factor | Output power factor (ratio of active power to apparent power) | 0.8~1.0 | Reflecting the efficiency of power grid interaction |
| 15 | Efficiency and performance parameters | conversion efficiency | Overall efficiency of DC to AC conversion | %(percentage) | Real-time or daily average efficiency |
| 16 | MPPT efficiency | Maximum power point tracking efficiency | % | Reflecting the optimization capability of PV string |
| 17 | Equipment status parameters | Internal temperature of inverter | Temperature of key components such as IGBT and capacitors | ℃ | Basis for over temperature warning |
| 18 | Temperature of radiator | Monitoring temperature of radiator or cooling fan | ℃ | |
| 19 | Operating status | Inverter working status (standby, running, fault, shutdown, etc.) | Enumeration values (e.g. 0-normal) | |
| 20 | Accumulated running time | Total working time of inverter | Hour (h) | Maintenance cycle reference |
| 21 | Communication status | Communication connection status with monitoring system or power grid | Normal/Interrupted | |
| 22 | Firmware version | Version information of inverter control software | text | |
| 23 | environmental parameters | Ambient temperature | Temperature of inverter installation environment | ℃ | External Sensor may be required |
| 24 | illuminance | The irradiance in the area where thePVboard is located | W/m² | Indirectly reflecting the potential for power generation |
| 25 | humidity | Environmental humidity (affecting heat dissipation and insulation) | %RH | |
| 26 | Fault and protection parameters | Fault code | Specific fault types when the inverter reports an error (such as overvoltage, overcurrent, etc.) | Code (e.g. F01) | Corresponding specific fault description |
| 27 | Protect trigger records | Historical protection events (such as over temperature protection, abnormal disconnection of the power grid, etc.) | Timestamp+Event Type | |
| 28 | Island effect state | Detect whether islanding operation has occurred (disconnected from the power grid but with continuous power supply) | Yes | Security protection function |
| 29 | Grid interaction parameters | grid voltage | Grid voltage at the grid connection point | V | Monitoring the stability of the power grid |
| 30 | grid frequency | Grid frequency at the grid connection point | Hz | |
| 31 | Feed in electricity to the grid | The total amount of electricity transmitted to the power grid | kWh | Bidirectional metering function |
| Note:http://www.daq-iot.com 1. This table is applicable to the universal PV inverter, and specific parameters may vary depending on the brand and model. 2. Communication method: Parameters can be transmitted to the monitoring platform through RS485, Wi Fi, 4G, or Ethernet. 3. Scalability: Some parameters (such as light intensity and wind speed) need to rely on external Sensor or meteorological station data. 4. Safety parameters: Insulation monitoring parameters such as insulation resistance and leakage current may be included in high-end inverters. |
| | | | | | |
| --- | --- | --- | --- | --- | --- |
| serial number | parameter category | parameter name | Parameter Description | Unit/Example | Remark |
| 1 | Power generation parameters | Total power generation | Accumulated total power generation of inverters | KWh (kilowatt hour) | Historical cumulative data |
| 2 | Daily power generation | Accumulated daily power generation | kWh | resettable |
| 3 | Monthly power generation | Accumulated monthly power generation | kWh | |
| 4 | Annual power generation | Accumulated power generation in that year | kWh | |
| 5 | Real-time Power generation | Current instantaneous power generation | KW or MW | Dynamic change value |
| 6 | Input side electrical parameters | DC Voltage | PV string input DC voltage | V (volts) | Multiple inputs can be monitored in separate channels |
| 7 | Direct current (DC current) | PV string input DC current | A (Ampere) | |
| 8 | DC Power | Total DC power on the input side | kW | Voltage x Current |
| 9 | MPPT voltage/current/power | Voltage, current, and power in maximum power point tracking (MPPT) state | V/A/kW | Multi channel MPPT can be independently monitored |
| 10 | Output side electrical parameters | AC Voltage | AC voltage output by inverter (single-phase/three-phase) | V (volts) | Support phase monitoring (L1/L2/L3) |
| 11 | AC Current | AC current output by inverter | A (Ampere) | |
| 12 | AC Power | Real-time AC power output by inverter | KW or MW | Main active power |
| 13 | Frequency | Frequency of output AC power | Hz (Hertz) | Usually 50/60Hz |
| 14 | Power Factor | Output power factor (ratio of active power to apparent power) | 0.8~1.0 | Reflecting the efficiency of power grid interaction |
| 15 | Efficiency and performance parameters | conversion efficiency | Overall efficiency of DC to AC conversion | %(percentage) | Real-time or daily average efficiency |
| 16 | MPPT efficiency | Maximum power point tracking efficiency | % | Reflecting the optimization capability of PV string |
| 17 | Equipment status parameters | Internal temperature of inverter | Temperature of key components such as IGBT and capacitors | ℃ | Basis for over temperature warning |
| 18 | Temperature of radiator | Monitoring temperature of radiator or cooling fan | ℃ | |
| 19 | Operating status | Inverter working status (standby, running, fault, shutdown, etc.) | Enumeration values (e.g. 0-normal) | |
| 20 | Accumulated running time | Total working time of inverter | Hour (h) | Maintenance cycle reference |
| 21 | Communication status | Communication connection status with monitoring system or power grid | Normal/Interrupted | |
| 22 | Firmware version | Version information of inverter control software | text | |
| 23 | environmental parameters | Ambient temperature | Temperature of inverter installation environment | ℃ | External Sensor may be required |
| 24 | illuminance | The irradiance in the area where thePVboard is located | W/m² | Indirectly reflecting the potential for power generation |
| 25 | humidity | Environmental humidity (affecting heat dissipation and insulation) | %RH | |
| 26 | Fault and protection parameters | Fault code | Specific fault types when the inverter reports an error (such as overvoltage, overcurrent, etc.) | Code (e.g. F01) | Corresponding specific fault description |
| 27 | Protect trigger records | Historical protection events (such as over temperature protection, abnormal disconnection of the power grid, etc.) | Timestamp+Event Type | |
| 28 | Island effect state | Detect whether islanding operation has occurred (disconnected from the power grid but with continuous power supply) | Yes | Security protection function |
| 29 | Grid interaction parameters | grid voltage | Grid voltage at the grid connection point | V | Monitoring the stability of the power grid |
| 30 | grid frequency | Grid frequency at the grid connection point | Hz | |
| 31 | Feed in electricity to the grid | The total amount of electricity transmitted to the power grid | kWh | Bidirectional metering function |
| Note:http://www.daq-iot.com 1. This table is applicable to the universal PV inverter, and specific parameters may vary depending on the brand and model. 2. Communication method: Parameters can be transmitted to the monitoring platform through RS485, Wi Fi, 4G, or Ethernet. 3. Scalability: Some parameters (such as light intensity and wind speed) need to rely on external Sensor or meteorological station data. 4. Safety parameters: Insulation monitoring parameters such as insulation resistance and leakage current may be included in high-end inverters. |