CBC Power Quality & Control Solutions

Battery Monitoring System

Prolong your batteries by

BATTERY
MONITORING SYSTEM

FAQ

why battery monitoring
system matters

  • For uninterrupted operation and business continuity, a reliable power backup system is crucial.
  • During grid failure, batteries provide DC or converted AC backup power to safeguard sensitive loads, regulate voltage and prevent any power interruption.
  • This ensures seamless operation of businesses 24/7 and is essential for any business that values continuity and reliability.
  • Ensure that the battery monitoring system is equipped with real-time monitoring capabilities for critical battery parameters and the ability to balance cell voltages.
  • This will help guarantee that the battery system possesses sufficient power capacity to sustain your critical loads.
  • It is essential to emphasize the need for the battery monitoring system to have a cell voltage balancing function.
  • To prevent losses and downtime due to grid failures, businesses must establish contingency plans.
  • This can boost profits and growth by avoiding unnecessary costs and disruptions.
  • A thorough strategy should anticipate risks and offer preventative solutions.
  • Prioritizing prevention allows for efficient and productive operations, ensuring business success.
  • Elevate your team’s proficiency in data analysis to a professional standard.

Learn More

what are Electrochemical batteries?

Electrochemical batteries, often simply referred to as batteries, are devices that store electrical energy in a chemical form and release it as electric current when needed. These devices are based on electrochemical reactions that occur between two or more materials, typically involving a cathode and an anode separated by an electrolyte. Here’s a basic explanation of how electrochemical batteries work:

Anode: The anode is the negative terminal of the battery. It releases electrons into the circuit during the discharge process. Common anode materials include zinc, lithium, and lead.

Cathode: The cathode is the positive terminal of the battery. It receives electrons from the external circuit during discharge. Cathode materials vary depending on the type of battery and can include materials like manganese dioxide, cobalt oxide, and sulfur.

Electrolyte: The electrolyte is a material that allows ions to move between the anode and cathode while blocking the flow of electrons. It can be in the form of a liquid, gel, or solid, depending on the battery type. Common electrolytes include lithium salt in lithium-ion batteries and sulfuric acid in lead-acid batteries.

The basic principle of operation involves the following steps:

During charging, an external voltage (from a charger or power source) is applied to the battery. This causes a chemical reaction at the electrodes:

    • At the anode, electrons are stripped from the anode material and released into the external circuit.
    • At the cathode, electrons are accepted and stored by the cathode material.

The chemical reactions at the anode and cathode result in the accumulation of electric potential energy within the battery.

During discharging (when the battery is in use), the stored energy is released as electrons flow from the anode to the cathode through the external circuit. This flow of electrons is what we use to power electronic devices or perform work.

There are various types of electrochemical batteries, each with its own specific chemistry and characteristics. Common examples include:

  1. Lithium-ion (Li-ion) batteries: Known for their high energy density and use in a wide range of applications, including smartphones, laptops, and electric vehicles.
  2. Lead-acid batteries: Frequently used in automotive applications, uninterruptible power supplies (UPS), and backup power systems.
  3. Nickel-cadmium (NiCd) batteries: Historically used in portable electronics but now less common due to environmental concerns and the rise of newer technologies.
  4. Alkaline batteries: Widely used in consumer devices like remote controls and flashlights.
  5. Lithium polymer (LiPo) batteries: Commonly used in drones, radio-controlled vehicles, and other devices where flexibility in battery shape is beneficial.
  6. Flow batteries: Used in large-scale energy storage applications and renewable energy integration.

The choice of battery type depends on the specific application, desired energy capacity, and other factors such as cost and environmental considerations.

we are Focusing on

LEAD ACID Batteries

VRLA
Valve Regulated Lead Acid
Flood
Flooded or Vented
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Ni-CD Batteries

Nickel Cadmium
Flooded or Vented

Battery parameters

Battery Monitoring System
must capture and perform

  • Proper monitoring of battery parameters is crucial to optimize performance and prevent damage.
  • Track critical variables like temperature, internal resistance, state of charge, state of health and voltage levels to extend battery life.
  • Regular evaluation and prompt action can save time and costs and improve reliability.

Battery parameters

duration

24/7 Real time

Action

Promptly

Why Voltage Cell balancing matters?

Voltage cell balancing in lead-acid batteries can help improve the overall performance and extend the battery life to some extent. Lead-acid batteries are commonly used in various applications, including automotive, backup power systems, and renewable energy storage. These batteries consist of multiple cells, and voltage cell balancing aims to ensure that each cell operates at a similar voltage level.

Here’s how voltage cell balancing can contribute to prolonging the life of lead-acid batteries:

Prevent Over-Under charging

Voltage cell balancing can help prevent individual cells from being overcharged or over-discharged. Overcharging can lead to the generation of excessive heat and the production of harmful gases, which can damage the battery. Over-discharging can cause irreversible damage to the cells.

Minimizing Sulfation

One of the common causes of lead-acid battery failure is sulfation, which occurs when lead sulfate crystals form on the battery plates. Balancing cell voltages can help prevent or reduce the formation of sulfation, preserving the battery's capacity and performance.

Reducing Stress on Individual Cells

When voltage cell balancing is in place, it ensures that no single cell is subject to significantly higher stress than others. This leads to a more uniform wear and tear on all cells, which can extend the battery's overall life.

Enhancing Charge Efficiency

Balanced cells can charge and discharge more efficiently. When cells are at similar voltage levels, energy transfer within the battery is more efficient, resulting in less energy loss as heat and longer cycle life.

Improved Capacity and Consistency

Voltage cell balancing helps maintain consistent capacity and performance across all cells, ensuring that the battery can deliver its rated capacity over its service life.

What we offer?

PBAT-GATE
battery monitoring system

Features

  • 24/7 hours on-line monitoring & remote alarms notification
  • Suitable for UPS and data center application
  • Anti-interference design, support to connect with high-frequency UPS
  • Build-in web server with visual display
  • Auto-sensing for the battery sensor’s ID address
  • Multi-communication protocol (MODBUS-TCP, SNMP)
  • Support 4G sending SMS alarm or wireless upload to cloud
  • Comply with IEEE 1188-2005
Battery Monitoring system | BMS | Cell Balance | Prolong Battery life time | VRLA |

PBAT-GATE BMS System
structure

System level
  • HMI-Gate
  • PBAT-Gate BMS System
Analyse level

PBAT-GAT

  • One station, monitor Max. 4 Strings (480pcs batteries)
  • 2 communication protocols (Modbus-TCP、SNMP)
  • Support display via local HMI
  • 1 AI port (ambient temperature & humidity),4 DI port (state quantity), 1 DO port (sound and light alarm)
Measure level

Battery string sensor: PBATPro600

Monitoring:

  • String Voltage
  • String Current
  • Calculate string SOC
  • Judge charging and discharging status
  • Auto-balancing Function
  • Each PBAT600Pro

      Max. Connect 120pcs  PBAT61-02/ PBAT61-12

Battery cell sensor: PBAT61 series

Monitoring:

  • Individual Cell Voltage
  • Individual Cell Temperature
  • Individual Cell Internal Impedance (Ohmic Value)
  • Individual Cell SOC(State of Charge
  • Individual Cell SOH(Section Of Health
  • Auto-Balancing function
  • Each battery need 1 Cell Sensor

PBAT-GATE

  • Maximum 4 strings of batteries
  • Maximum 480 pcs of batteries
  • 2 communication ports, MODBUS-TCP and SNMP
  • 1 AI port for Ambient temperature & Humidity
  • 4 DI ports for state quantity
  • 1 DO port for sound & light alarm

PBAT600Pro

Battery String Sensors

Red Color

Indicate Battery Alarm

Green Color

Indicate Battery Normal

PBAT61

Battery Cell Sensors

Red Color

Indicate Battery Alarm

Green Color

Indicate Battery Normal

Local Display & Operation

hmi-gate

7-inch touch-screen HMI for display and operation

Real-time data inquiry:

  • Individual battery voltage, impedance, inner temperature, SOC, SOH
  • String voltage, charge and discharge current, SOC, balance degree

Alarm data inquiry:

  • Real-time alarm status and related alarm information (faulty battery ID, date/time, alarm reason, communication status, etc.)
  • 3000 alarm records for each string battery
HMI Menu
Cell Voltage
Cell Temerature
Cell Resistance
Cell SOC
Cell SOH
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prolong battery by

auto cell
balance function

“When a cell voltage deviates from the standard value or the set window, the Auto-cell balance function will initiate to provide necessary adjustments.”

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