HPDAS331T/341T type power harmonic monitoring terminal and system

NegotiableUpdate on 09/12

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

HPDAS331T/341T type power harmonic monitoring terminal and system

Product Details

Product description

The HPDAS331T/341T power harmonic monitoring terminal is a new device suitable for voltage harmonic monitoring and management in power substations. This device can monitor and record voltage fluctuations, flicker, total voltage harmonic distortion, and the content of each (2-31) voltage harmonic, providing information support for harmonic pollution control and improving power quality. The device also has complete communication and harmonic management functions, solving the long-standing problem of user harmonic monitoring and management in the power system.

The indicators monitored by HPDAS331T/341T include: effective value of three-phase (line) voltage; The flicker value of three-phase (line) voltage over long and short periods; Three phase (line) voltage fluctuation value; Effective value of 2-31st harmonic of three-phase (line) voltage; The percentage of temporary rise and fall of three-phase (line) voltage.

Overall dimensions:307 × 188 × 80mm (height × width × depth)

execution standard

GB/T14549-93 "Electric Energy Quality - Harmonics in Public Power Grids"
GB/T15543-1995 "Electricity Quality - Allowable Unbalance of Three phase Voltage"
GB12326-2000 "Power Quality - Voltage Allowances and Flicker"
GB12325-1990 "Power Quality - Allowable Deviation of Supply Voltage"
GB/T19862-2005 General Requirements for Power Quality Testing Equipment

International Electrotechnical Commission (IEC) standards

IEC61000-3-6 Electromagnetic Compatibility Series Standards

Main technical parameters

project	Technical Specifications
Working Voltage	3 × 100V (three-phase three wire)
operating current	5(6)A
frequency range	50 (1 ± 5%) Hz (default);
Voltage measurement range and accuracy	During PT power supply: Un ± 20% Un, deviation ≤ 0.5%
Current measurement range and accuracy	0.1~6A, Better than 0.5%
Measurement accuracy of pollution level	Harmonic active power:<0.5%, distorted reactive power:<1.0%
Distortion rate measurement accuracy	<0.3％
Harmonic measurement frequency	2-31 times
Operating Temperature	-20 ℃~75 ℃ (low temperature limit for dot matrix LCD display module)
Data retention temperature	-45℃~85℃
relative humidity	≤ 95% (no condensation)
power consumption	<5W, 10VA (per voltage line)
MTBF	≥5×10⁴h
design life	≥ 10 years
Overall dimensions	307mmX188mmX80mm

Input electrical parameters

Voltage: 3 × 57.7 V, 3 × 220 V, allowable deviation -20% to+15%
Frequency: 50Hz, allowable deviation -6% to+2%
Basic current: 5A

working environment

Atmospheric pressure: 86-108KPa;
Environmental air temperature: -10 ℃ to+45 ℃;
Relative humidity: 5% to 95%.

The HPDAS series power quality monitoring terminal is equipped with RS485 serial port, infrared, GPRS and other communication interfaces, which can achieve on-site or remote automatic meter reading. Adopting a large screen dot matrix graphic LCD with backlight display screen to simultaneously display battery level and parameters, the display is intuitive and clear, making meter reading convenient. It can be connected to an external infrared portable printer to print various data in real time, with power failure protection function. After power failure, it can quickly save the power data, and the data can be saved for ten years without loss. In addition, the system is equipped with comprehensive harmonic management and report printing functions.

HPDAS series power quality monitoring provides three communication methods for users to choose from

1. Utilize public network communication methods
2. Utilize LAN/Ethernet communication methods
3. Utilize the public network and set up communication methods for on-site monitoring computers

Scope of application:

Power supply department