Battery Energy Storage Systems

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Containerized Battery Energy Storage System infographic
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    Airflow

    Airflow sensor The airflow sensor monitors the operation of your air exchanger of your BESS.

    Airflow Sensor

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    Rack Level Temperature & Humidity Monitoring

    Temperature & humdity sensor The ambient temperature measurement checks if your cooling is still operating and if the room has the desired temperature setting. Combined with the humidity sensors, it ensures that your equipment is running within manufacturers' limits.

    Especially for BESS, operating in the right conditions is critical to avoid a thermal abuse that may result in a catastrophic failure.

    1 temperature & humidity sensor per battery rack is recommended.

    Temperature & Humidity Sensors

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    Power Quality Monitoring

    Power Quality sensor The quality of power is one of the main reasons causing batteries to fail. This sensor is able to detect up to 85% of all power quality issues. Plug & Play. No electrical work needed.

    Power Quality Sensors

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    Fire Panel Integration

    EXP-8HUB SensorHub The sensorhub's (EXP-8HUB) has 4 dry contact outputs. The outputs can be configured to trigger the fire panel in the event of a Stage 2 (offset gas) event.

    SensorHub

    Viking fire panel

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    Water Intrustion

    Water ingress sensor Water is the enemy of electricity. Water leak came come from multiple sources: leaking roof, street flooding, snow melt and many more. The leak sensor is a water leak sensitive cable that is put around the perimeter of the BESS.

    Water Leak Sensing

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    Corrosive Gas Detection H2S & SO2

    Gas sensor Corrosive gasses enter your BESS through outside air exchange.

    Sulfur dioxide (SO2) and hydrogen sulfide (H2S) gasses are known for their aggressiveness towards steel and other metal alloys. While the compound in its pure form does not react strongly with metal, it can be highly corrosive when exposed to the atmosphere.

    Corrosive Gas Sensors

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    CO2, VOC sensors

    Daisy Chained CO2, VOC & temperature sensor Li-ion fires are preceded by gas venting of battery cells. Typically this stage gives a few minutes warning before batteries produce smoke and the fire starts. The gas being monitored for Li-ion is CO2. CO2 is the earliest gas present in a venting event and the most stable. Combined with VOC, it provides a good indication of such events.

    The Daisy Chained CO2, VOC, Temperature sensor has been designed to detect off-gas events ahead of a thermal runaway. The sensors are exclusively available through Viking.

    CO2, VOC & temp sensing

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    PM Particle Sensor

    Dust sensor The presence of dust accumulates in equipment then at first power usage will increase due to the harder working fans and CPU's running at higher temperatures. Ultimately electronics may fail due to short circuits or corrosion.

    The particle sensor monitors for airborne particles in the air of multiple sizes: PM1, PM2.5, PM4 and PM10.

    Particle Sensor

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    Room Temperature & Humidity Monitoring

    Temperature & humdity sensor The ambient temperature measurement checks if your cooling is still operating and if the room has the desired temperature setting. Combined with the humidity sensors, it ensures that your equipment is running within manufacturers' limits.

    Especially for BESS, operating in the right conditions is critical to avoid a thermal abuse that may result in a catastrophic failure.

    Temperature & Humidity Sensors

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    Oxygen Depletion Detection

    Gas sensor The O2 oxygen sensor detects oxygen level in the ambient air. Using Oxeo-Argon agent to starve fires through oxygen depletion, this sensor can detects a suppression event or unsafe leak from the suppression agent.

    Gas sensing

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    Physical & Electronic Security

    Convergint is a global, industry-leading systems integrator that designs, installs, and services electronic security, cybersecurity, fire alarm, and life safety systems.

    As an integrator they can protect your BESS not just against environmental and fire risks but also provide the physical security and access control.

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    Learn more on Convergint

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    Shock & Vibration Sensor

    Thermal camera sensor The shock sensors on each battery cabinet enable to monitor another root cause of catastrophic battery failures: mechanical abuse. Vibrations can cause terminal connectors to losen.

    By recording vibrations multiple times per second, potential mechanical abuse can be detected. Combined with remote visual monitoring through cameras, the accidental or calculated mechanical abuse can be confirmed. It enables proactive maintenance of the BESS.

    4 sensors for each wall of the container are recommended.

    Vibration Sensor

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    Differential Air Pressure

    Differential airpressure sensor Air pressure enables to monitor cooling of the BESS and the ensure that sufficient air gets to the different areas of the BESS.

    2 differential air pressure sensors are recommended for the BESS.

    Air Pressure Sensing

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    Ambient CO2 & VOC gas sensor

    Gas sensor At a BESS room level the monitoring of CO2 & VOC enables to reduce the amount of false positives.

    Gas sensing

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