PV power station System Construction EPC Engineering General Contracting Communication Architecture Diagram Data Acquisition Monitoring Plan

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. Mail:export@daq-iot.com

As IoTData Acquisitionsolution Professional provider, data acquisition IoTEditor daq iot Here is an introduction to the following content, and we sincerely welcome everyone to discuss and exchange ideas.

As a professional provider of IoT data collection solutions, daq-iot, the data acquisition and IoT editor, will introduce the following content here and sincerely welcome everyone to discuss and communicate.

Equipment type: Video surveillance environment and meteorological monitoring inverter Anti islanding protection deviceSplit high and low voltage multifunctional electric meter SVG (if involving high voltage projects), boost transformer measurement and control device (if involving high voltage projects)

The data content includes historical data (90 days), Real-time data right angle/tilt angle/cumulative irradiance, temperature, humidity, wind speed, wind direction, rainfall (snowfall), dust deposition rate/concentration, air pollution index, etc. The data that needs to be collected is shown in Appendix 1 "Remote Communication: Circuit Breaker Opening and Closing Status, Fault, Alarm, Abnormal Information, Manual and Remote Indication;

Telemetry: data such as line voltage, protection current, power, frequency, etc; Remote control: signal reset, remote control opening and closing of electrical parameters such as voltage, current, active power, reactive power, positive and negative phase electricity, power factor, etc; Equipment operating status; Protection and alarm signal measurement and control device data (voltage, forward and reverse power, power, protection, etc.)

Network cable, fiber optic cable, indoor camera

Video Recorder

Monitoring system host

Show violence

PV power station

Wireless Upload O&M Center

Vertical encryption

Firewall

Ethernet cable

Reserved upload scheduling interface

Vertical encryption

Wireless transmission to municipal survey

Wireless collection terminal for power information

RS485

1-4#Grid connected cabinet electricity meter

network switch

Data acquisition and communication management machine (with the ability to conduct group surveys and control)

RS485

String inverterNBO1 string inverter NBO2

Series inverter NBO4

String inverter NBO

String inverter NBO5 string inverter NBO6

Series inverter NBO8

Series inverter NBO7

String inverter NBO9 string inverter NB10

String inverter NB11 String inverter NB12

RS485

Environmental monitoring device

RS485

SC-GP-IR4G

1 # Infrared Meter Reading

2 # Infrared Meter Reading

# Infrared Meter Reading

LCL)

4 # Infrared Meter Reading

RS485

1 # Anti islanding device

2 # Anti islanding device

# Anti islanding device # Anti islanding device

Line description

54.1 billion cables

Ethernet cable

High voltage grid connection diagram (if involving high voltage); All data of anti islanding protection device, fault disconnection device, and comprehensive measurement and control device;DC screen monitoring data

Appendix 1

Remote telemetry, remote signaling, remote control, and remote adjustment

Power on time system lockout status, full network power on control, active power regulation (actual value)

Shutdown time inverter on/off status full Gateway machine control reactive power regulation (actual value)

PV input voltage DI status full network power on/off control active power regulation (percentage)

PV input current active scheduling command abnormal PV shutdown reactive power regulation (power factor)

Abnormal DC input power reactive power dispatch command PV startup

Voltage and power regulation mode of power grid AB line

Active voltage regulation status of power grid BC line

Voltage and reactive power regulation status of power grid CA line

Active power control method for phase A voltage in the power grid

Identification of phase B voltage fault in the power grid

Abnormal identification of phase C voltage in the power grid

Abnormal cube of phase A current in the power grid

Address conflict of phase B current equipment in the power grid

Fault of C-phase current lightning arrester in power grid

Active power supply failure

Reactive power communication failure

Power factor license expires

Rated power main circuit breaker disconnected

Number of power grid frequency alarms

Inverter efficiency with high string voltage

Internal temperature DC arc fault

Accumulated power generation in reverse series connection

DC input total power group backflow

The current power generation statistics time string shows abnormal power

Current hourly power generation AFCI self-test failed

Short circuit of power grid phase line to PE for daily electricity generation

The power generation for the week was affected by a power outage in the grid

Undervoltage of power generation in the current month's power grid

Overvoltage of the power generation grid in the past

The previous day's electricity statistics showed that the grid voltage was unbalanced

The previous day's power generation exceeded the frequency limit of the power grid

The previous week's electricity statistics showed that the power grid was under frequency

The power generation in the previous week resulted in unstable grid frequency

The previous month's electricity statistics time output overcurrent

The DC component of the output current of the previous month's generated electricity was too large

Abnormal residual current in the previous year's electricity statistics time

Abnormal grounding of the power generation system in the previous year

Low insulation impedance for carbon dioxide emission reduction

The total voltage temperature of the busbar is too high

The maximum value of PV voltage is abnormal for the equipment

Upgrade of minimum PV voltage failed

PV negative to ground voltage average monitoring unit fault

PV ground voltage maximum value power collector fault

PV negative to ground voltage minimum value active islanding

Passive islanding with maximum active power regulation

Minimum instantaneous AC overvoltage for active power regulation

Maximum reactive power regulation, external device port short circuit

Reactive power regulation minimum value off grid output overload

Abnormal configuration of insulation impedance value battery board

Device SN standby

grid-connected

Normal grid connection

Power rationing and grid connection reduction

Self rated grid connection

Normal shutdown

Power restriction shutdown

inspection

Optimizer malfunction

The built-in PID is working abnormally

Input string to ground voltage high

Abnormal external fan

Off grid controller abnormality

String loss