Powertron Engineering Co., Ltd.

ipqms/Bds (Intelligent Quality Monitoring System)

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Description

Summary of iPQMS/BDS
iPQMS/BDS (intelligent power quality monitoring system) monitors and measures constantly the state of power source including the depletion of each cell in emergency power system and batteries from the headquarter/branch, power plant/transformer substation and remote communication room and then records the actual efficient value, wave and events. It is an "intelligent emergency power quality diagnosis system" that verifies and identifies the normal operation and troubles of the emergency power supply system.

Required employment

Existing problems
The conventional verification of the emergency power supply/battery system has been made by measuring the specific gravity of cell voltage in the first step and then by identifying the depletion state by senses. It can not verify the depletion state including quality decrease of cells if it doesn?t adopt the actual load discharge method. Since the durable or sealed battery is particularly in a closed structure, the relevant specific gravity cannot be measured. Therefore, the discharge test has been used for verification of residual capacity or depletion level of power source, but it may cause accidents of personal injury and require labor and test expenses.

Improved diagnosis
The battery performance (depletion) diagnosis technique by measuring internal impedance was already commercialized in the USA, Japan and Canada. In Korea, only our company has developed and localized this technique, which is under application for PCT patent. Our products acquired the KT(Excellent Korean Technology) certification awarded by the Ministry of Science and Technology in September 2004.
This diagnostic system monitors and measures individual cells of battery in floating charge, constantly in 24 hours of 365 days and controls remotely in TCP/IP environment. Since it doesn't give any risk to emergency power supply or battery operation system, it is very reliable system to be easily installed. Furthermore, with the economic maintenance cost, scientific application method enables easy replacement of troubled cells and provides various communication modes. In case of Internet network, one-fixed IP monitors and maintains remotely over 1000 sites in real-time at cost-effective price.

System composition
The system consists of main three parts with the devices in two types, independent and integrated of MCU/RU.

- Monitor and record the state of power sauce.
- Support the remote control of collected and computed battery information
- Collect and compute battery data
- Provide interface with TCP'IP
- Scan battery data (voltage, internal impedance, temperature)
 

Models

Division iPQMS/BMS 24C-4 iPQMS/BMS 56C-4 iPQMS/BMS 64C-10 iPQMS/BMS xxxC-10
Cell Numbers Under 24 cells Under 56 cells Under 64 cells Customized production by order
Option 1. International standard emergency power quality monitoring: SEMI F47, CBEMA, ITIC, Samsung Power Vaccine, military use
2. Monitoring function of specific gravity, electrolyte level and surrounding temperature by additional sensor

Technology Standard

▶Applications
- Capacity Range: 50Ah ~ 6,000Ah (Ni-Cd, sealed/lead-acid)
- Cell Voltage Range: 1.0Volts ~ 16Volts
- Voltage/Current: 0 ~ 600V/5A(converter use)
▶Accuracy
- Impedance: within ± 2%
- DC voltage/current: Voltage within ± 0.5% /Current within ± 1%
- Temperature: within ± 2%
▶Resolution
- Impedance: 0.001m Ω
- DC Voltage/Current: 10mV/1A
- AC Volt/Amp: 0.1V/1A
- Temperature: 0.1°
▶Measuring Speed/Interval: 1 sec/CH, 5 min ~ 360 min adjustable
▶Data storage interval: 5 min ~ 1 day adjustable
▶Data Transfer: RS232/422/485, TCP/IP, CDMA(option)
▶Capacity: 448 cells per one system with additional R/U
▶Calibration
- Auto scailing
- Auto zero-point calibration (option)
▶Accessory functions
- Exclusion of ripple voltage in floating charge
- Measuring channel number selection
▶User Programmable Function
- Preset Values for up to 48 cells (bank B-1/2)
- Scan interval: 1 ~ 99 min (adjustable)
- High/Low alarm setting: voltage, current and impedance
- Year/date/time setting, display menu
▶Environmental Operating Range
- Temperature: -5° ~ +45°
- Humidity: under 95% RH

Monitored and recorded battery data and voltage wave (example)

 

▶Display of voltage and impedance of each cell of battery
▶Display of AC, UPS / battery voltage / current
▶Display of recorded event waves
▶Monitor of AC's wave, capture, display of event
▶Display of voltage and current wave of DC output of battey


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