localgrid pqa - power quality analyzer and data concentrator
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LocalGrid PQA™
© 2015 LocalGrid Technologies Inc.– All Rights Reserved
Power Quality Analyzer
PQA stands for Power Quality Analyzer
The LocalGrid PQA is a software product, that runs on the National Instruments Grid Automation Controller
Measure power quality and energy features to IEC, EN, and IEEE standards
Harmonics (IEC 61000-4-7) and Flicker (IEC 61000-4-15)
Phasor measurement unit (C37.118)
Sag/swell/interruption with standard or custom levels (IEC 61000-4-30)
Rapid voltage change with standard or custom levels (IEC 61000-4-30)
Data and events can be visualized, logged, and mappedinto SCADA through a configuration tool
© 2015 LocalGrid Technologies Inc.– All Rights Reserved
Dual sourced, four-phase voltage and current inputs plus neutral
Time synchronization via GPS, NTP, or IEEE 1588 PTP
Power quality metrics including RMS, power, energy, unbalance, flicker, power factor, and THD up to the 40th harmonic
Detection and logging of power quality events including sags, swells, interruptions, and rapid voltage changes
Inbound multi-protocol translation Modbus, DNP3, IEC 61850, Others..
Interface to SCADA
Local Data Logging Local circular embedded database
Waveform capture
Threshold event detection
Waveform streaming
Windows based data visualization and configuration tool provided
PQA Features
LocalGrid PQA
DNP3
Voltage
Current
Modbus
SCA
DA
© 2015 LocalGrid Technologies Inc.– All Rights Reserved
Loggin
g
PQA Use Case 1
Distributed Generation Site
PQA
Cellular Router
Typical configuration at a remote asset. Data is logged locally and also published into SCADA over cellular or wired connections – data is buffered locally in case of interruptions
Inverter
Distributed Generation Site
PQA
Cellular Router
Inverter
© 2015 LocalGrid Technologies Inc.– All Rights Reserved
SCADA
PQA Use Case 2
Distributed Generation Site
PQA
Cellular Router
Typical configuration at a remote asset. Data is logged locally and retrieved on demand from a LocalGrid PQA Client application running on a laptop or PC
Inverter
Distributed Generation Site
PQA
Cellular Router
Inverter
© 2015 LocalGrid Technologies Inc.– All Rights Reserved
PQA Client
Analog Inputs
8 voltage, 8 current inputs
24-bit
512 samples per cycle
0-250Vrms nominal, 500V peak
0-20Arms continuous, 100Arms 10 seconds
Time Synchronization
GPS - within +-100ns
NTP
IEEE 1588 PTP
Communications Protocols
Modbus Master/Slave
DNP3 Master/Outstation
DDS
PQA Specifications
Event Logging
Direct capture of 512/sample per cycle waveforms per input
200+ waveforms stored locally*
Data Logging
150+ data channels available for logging
Local storage for over 1 month of continuous logging**
Variable logging rates per channel
Client software
Windows XP, Windows 7, Windows 8
Communicates via network port
Automatic discovery of device
* Depends on event duration
** Depends on logging rate
© 2015 LocalGrid Technologies Inc.– All Rights Reserved
Data Concentrator Features
The Data Concentrator can log data from hundreds of PQA devices simultaneously.
Data is logged into a long term storage database
Data can be stored for years depending on hard drive space
The Data Concentrator can be mapped to SCADA, acting as an intermediary between field deployed devices and SCADA
Security can be managed effectively that way
Data can be retrieved on demand via the LocalGrid PQA Client Application
Data Concentrator is software based and can run on any Windows based PC or Server
© 2015 LocalGrid Technologies Inc.– All Rights Reserved
LocalGrid Data Concentrator
PQ
A
Clien
t
Loggin
g
SCA
DA
Data Concentrator Use Case 1
Monitoring Sites
PQA
SCADA
Data concentrator logs data from hundreds of PQA’s and can forward on data to SCADA in real-time over wireless, cellular, or wired communication.
© 2015 LocalGrid Technologies Inc.– All Rights Reserved
PQA
PQA
PQA
PQA
PQA
Data Concentrator
Data Concentrator Use Case 2
Monitoring Sites
PQA
SCADA
Data concentrator logs data from hundreds of PQA’s and can forward on data to SCADA in real-time over wireless, cellular, or wired communication. Data can also be retrieved on demand from a LocalGrid PQA Client.
© 2015 LocalGrid Technologies Inc.– All Rights Reserved
PQA
PQA
PQA
PQA
PQA
Data Concentrator
PQA Client
Time Synchronization
NTP
IEEE 1588 PTP
Communications Protocols to SCADA
Modbus Master/Slave
DNP3 Master/Outstation
DDS
Suggested Computer Specifications
Windows 7, Windows 8
Intel Core i7, 2.5GHz dual-core
500GB hard disk space
4GB of RAM
Data Concentrator Specifications
Data Logging
Local storage for over 1 year of continuous logging*
Log data from 1000+ PQA devices
Variable logging rates per channel
Circular database – no maintenance required
Network Performance
Bandwidth per PQA of 5KB/second**
1000+ devices to saturate a 100MBit/second link***
Client software
Windows XP, Windows 7, Windows 8
Communicates via network port
Automatic discovery of device
* Depends on logging rates
** Depends on number of points and logging rate
*** Depends on network infrastructure
© 2015 LocalGrid Technologies Inc.– All Rights Reserved
Supported Hardware
National Instruments Grid Automation System (link)
Substation Hardened Hardware
Based on Real-Time Linux
© 2015 LocalGrid Technologies Inc.– All Rights Reserved
PQA Client
Windows software to configure and visualize data from PQA devices
Configure protocol conversion inbound and outbound of device
Configure and visualize events and alarms
Download and visualize historical data
View live streaming data
© 2015 LocalGrid Technologies Inc.– All Rights Reserved
Extend the Product
Data is made available over DDS protocol for consumption by other services in the network
Build your own applications that consume data from any number of PQAs deployed
LocalGrid offers products that be deployed to your devices to extend the PQA such as:
Virtual RTU on devices
PMU on devices
Digital fault recording on devices
© 2015 LocalGrid Technologies Inc.– All Rights Reserved
How to Buy
The PQA is licensed under a perpetual device deployment license, meaning every device you deploy it on must have a valid license
Can be bundled with the NI Grid Automation System or sold separately
Volume licensing agreements available
Annual support contracts are available to ensure you always have the latest features and security updates
Contact us for a quote
(p) 416-840-3384
(w) www.localgridtech.com/contact/
© 2015 LocalGrid Technologies Inc.– All Rights Reserved
Thank youFor more information contactGraham [email protected]
© 2015 LocalGrid Technologies Inc.– All Rights Reserved