ABB SAM3.0 Surge Arrester Monitoring System

ABB SAM3.0 Surge Arrester Monitoring System

Product Overview

The ABB SAM3.0 (Surge Arrester Monitoring System) lightning arrester monitoring system is an intelligent solution developed by ABB for monitoring the status of overvoltage protection equipment in power systems. It is specifically designed for real-time monitoring of the operating status of metal oxide lightning arresters (MOAs). The system integrates high-precision sensing acquisition, wireless/wired communication, and intelligent data analysis functions. Through continuous monitoring of core parameters such as lightning arrester leakage current, action frequency, and operating temperature, it achieves equipment degradation trend warning, accurate fault location, and full lifecycle management. It is widely used in power stations, substations, transmission lines, and industrial high-voltage distribution systems, and is a key intelligent equipment to ensure insulation safety and improve operation and maintenance efficiency of the power system.

Core Basic Parameters

Product Model

SAM3.0 lightning arrester monitoring system

manufacturer

ABB Group

monitoring target

Metal Oxide Surge Arrester (MOA)

Applicable voltage level

10kV-1000kV (covering the entire range of medium and high voltage)

Leakage current monitoring range

0.1mA-10mA (full current), 0.01mA-5mA (resistive current)

Accuracy of current monitoring

± 1% (full current), ± 2% (resistive current)

Temperature monitoring range

-40℃ ~ 120℃

Temperature monitoring accuracy

±0.5℃

communication method

Wireless (LoRa/WiFi/4G/5G), wired (RS485/Ethernet)

Data transmission cycle

1s-3600s (flexible configuration)

power supply method

Solar energy+lithium battery AC 220V、DC 24V

Protection level

Acquisition unit IP67, host unit IP54

Installation method

Clamp type (lightning arrester body), wall mounted type (main unit), cabinet installation (main control module)

Core functional characteristics

1. Multi dimensional state precise monitoring

The system adopts a shunt+Roche coil composite sensing technology, which can accurately collect the full leakage current, resistive current (including fundamental/harmonic components), capacitive current, and overvoltage action times of the lightning arrester at the same time. Combined with the built-in temperature sensor, it can monitor the temperature of the lightning arrester body in real time. By using ABB's patented current separation algorithm, interference factors such as grid voltage fluctuations and environmental humidity are effectively eliminated, ensuring that the monitoring error of resistive current is ≤ 2%, providing core data support for judging faults such as aging and moisture of lightning arrester valve plates.

2. Intelligent warning and fault diagnosis

Equipped with a multi-level warning mechanism, it supports multi-dimensional diagnosis based on threshold judgment (such as resistance current exceeding the standard), trend analysis (such as abnormal parameter gradient rate), and comparative analysis (differences in lightning arrester data within the same group). The system is equipped with an ABB power equipment fault diagnosis model, which can automatically identify typical faults such as mild moisture damage to lightning arresters, aging of valve plates, and partial discharge, and trigger corresponding notifications through fault level classification (warning/alarm/emergency). At the same time, a fault analysis report is generated to assist operation and maintenance personnel in accurately locating problems.

3. Flexible and reliable communication and data management

Supporting dual communication modes of wireless and wired, remote areas can use solar power supply+LoRa/4G communication, and the substation can be connected to the power monitoring system (SCADA) through Ethernet/RS485. Data transmission adopts encryption protocols to ensure data security and integrity. The host unit has local data storage function (supporting more than 100000 historical data), and can also be connected to ABB cloud monitoring platform to achieve remote data storage, historical curve query, automatic report generation and other functions, meeting the needs of full lifecycle management.

4. Strong environmental adaptability and high reliability

The collection unit is designed with an IP67 protection level and has waterproof, dustproof, and corrosion-resistant capabilities. It can be directly installed on the lightning arrester body and is suitable for outdoor high temperature, high humidity, severe cold, and strong electromagnetic interference environments. The core components have undergone rigorous tests such as high and low temperature cycling, vibration and impact, and the host unit uses industrial grade embedded chips with an average time between failures (MTBF) of over 150000 hours. The system supports self checking function, which can monitor the status of sensors, communication modules, and power in real time to ensure reliable monitoring data.

5. Convenient system deployment and operation

The collection unit adopts a power-off clamp installation, without the need to dismantle the lightning arrester or interrupt the power supply. The installation time is ≤ 30 minutes per unit. The system supports dual configuration methods for local (host panel) and remote (mobile app/computer), with a graphical user interface that is intuitive and easy to understand, allowing for quick completion of parameter settings, threshold calibration, and other operations. Operations personnel can view the status of all system devices through cloud platforms or local hosts, without the need for on-site inspections of each device, significantly reducing operations workload and costs.

6. Open system integration capability

Supports mainstream power communication protocols such as IEC 61850, Modbus, DL/T 645, and can seamlessly integrate with various power monitoring systems (SCADA, EMS) and smart substation platforms. Provide standardized data interfaces and APIs to facilitate data interaction and functional integration with third-party systems, meeting the personalized monitoring needs of different users.

Applicable scenarios

-Power generation system: monitoring of high-voltage busbars and generator outlet lightning arresters in thermal power plants, hydropower stations, and new energy power stations (wind/photovoltaic) to ensure insulation safety of power generation equipment

-Transmission and transformation system: Monitoring of busbars, circuit breakers, transformer outlet lightning arresters, and high-voltage transmission line lightning arresters in 110kV -1000kV substations

-Industrial distribution: Surge arresters for high-voltage distribution systems in large industrial enterprises such as steel, chemical, and metallurgical industries to prevent overvoltage damage to production equipment

-Rail transit: Monitoring of lightning arresters in subway, high-speed rail traction substations, and power supply systems along the line to ensure stable traction power supply

-Urban power grid: 10kV-35kV lines and switch station lightning arresters in urban distribution networks to enhance the reliability of power supply in the distribution network

-Special locations: lightning arresters for high-voltage power supply systems of critical loads such as data centers, hospitals, airports, etc., to ensure uninterrupted power supply to core facilities

Precautions for use

1. Before installation, it is necessary to confirm that the system model matches the voltage level of the lightning arrester and the installation environment. Strictly follow the product manual for wiring debugging between the sensing unit and the host to ensure smooth communication links.

2. When installing the collection unit, it is necessary to ensure that it is in close contact with the lightning arrester body to avoid monitoring errors caused by looseness. At the same time, it should be kept away from strong electric field areas such as the lightning arrester voltage equalization ring, and shielding measures should be taken if necessary.

3. After system deployment, parameter calibration is required, including current sensor accuracy calibration, temperature compensation coefficient setting, and warning threshold configuration. After calibration is completed, a trial run is conducted to confirm that data collection is normal.

4. Regularly check the integrity of the protective shell of the collection unit, the cleanliness of the solar panel, and the tightness of the wiring terminals. After severe weather (typhoons, blizzards), it is necessary to focus on investigating equipment damage.

5. Operation and maintenance personnel need to regularly check system warning information and conduct on-site inspections of warning equipment in a timely manner (such as infrared temperature measurement and insulation resistance testing) to avoid the expansion of faults.

When performing system upgrades or firmware updates, it is necessary to first backup historical data, ensure stable power supply during the upgrade process, and verify that all functions are normal after the upgrade is completed.

7. When repairing faults, it is necessary to strictly follow the electrical safety regulations, disconnect the power supply of the relevant equipment first, and have professional personnel with high-voltage operation qualifications operate it. Non professional personnel are prohibited from dismantling the equipment without authorization.