Overhead Transient Recording Remote Fault Indicator JYL
Category:
Product Description
Product Overview
The distribution network fault location system is a simple and practical distribution automation solution. The waveform recording–based fault location system consists of a master station backend, data acquisition units, aggregation units, supporting communication terminals, and a public communication network. It is suitable for online monitoring of overhead lines ranging from 3 to 35 kV, offering functions such as line fault aggregation and proactive reporting of fault information to the master station. It features ease of use, stable operation, convenient maintenance, high reliability, excellent openness, and cost-effectiveness.
The data acquisition unit of the waveform-based fault location device features fault recording, zero-sequence current synthesis, and low-power wireless networking capabilities. It can upload fault information to a remote aggregation unit via a local wireless network, after which the aggregation unit transmits the fault information in real time to the master station’s location system, where it is processed and displayed graphically for fault localization.
Product Standards
Q/GDW436-2010 Technical Specifications for Distribution Line Fault Indicators
DL/T1157-2019 Technical Specifications for Distribution Line Fault Indicators
DL/T721-2013 Distribution Automation Remote Terminal
GB/T17626.2 Electromagnetic Compatibility – Testing and Measurement Techniques – Electrostatic Discharge Immunity Test
GB/T17626.3 Electromagnetic Compatibility – Testing and Measurement Techniques – Radio Frequency Electromagnetic Field Radiation Immunity Test
GB/T17626.5 Electromagnetic Compatibility Testing and Measurement Techniques – Test for Immunity to Fast Transient Pulse Groups
GB/T17626.8 Electromagnetic Compatibility – Testing and Measurement Techniques – Power Frequency Magnetic Field Immunity Test
GB/T17626.9 Electromagnetic Compatibility Testing and Measurement Techniques – Immunity Test to Pulse Magnetic Fields
GB/T17626.10 Electromagnetic Compatibility – Testing and Measurement Techniques – Immunity Test to Damped Oscillatory Magnetic Fields
Technical Features
1. The energy‑harvesting module uses rust‑resistant, high‑permeability materials and is combined with a low‑power system design to ensure fully functional operation without batteries when the primary current is 5 A.
2. Electronic current and ground electric field transformers are used for current and ground electric field detection, delivering good data linearity and being unaffected by wire diameter, thereby ensuring testing accuracy.
3. The system power supply adopts a three‑tier architecture using CT‑derived power, capacitors, and a single‑use lithium battery to ensure reliable operation of the device around the clock.
4. 4K sampling and zero-sequence synthesis algorithms enable highly sensitive detection and recording of single-phase ground faults.
5. Three-phase synchronization technology with a time error no greater than 100 µs;
5. Both the aggregation unit and the acquisition unit can be remotely managed wirelessly.
Main Technical Parameters
|
Project |
Indicator |
|
|
Applicable Occasions |
Applicable Voltage |
6–35 kV |
|
Neutral Point Grounding Method |
Adaptable to various grounding methods |
|
|
Applicable Wire Types |
Overhead insulated and bare conductors, 35 mm² to 240 mm² |
|
|
Collective Unit Power Supply |
Main power supply |
Solar power supply (solar panel rated output voltage: 18V; actual capacity data needs to be configured accordingly). |
|
Backup power source |
Rechargeable batteries: Lithium iron phosphate or lead‑acid gel batteries can be configured as needed, and the hardware design is fully compatible. |
|
|
Collection Unit Power Supply |
Main power supply |
Line‑side power take‑off (5A full‑function operation) Single-use battery, 3.6V, 8.5Ah Supercapacitor runtime: >12 hours |
|
Backup power source |
||
|
Static Power Consumption |
Data Acquisition Unit |
≤80uA |
|
Aggregation Unit |
≤0.2 µA |
|
|
Telemetry accuracy |
Current |
0–300 A, measurement accuracy: ±3 A |
|
300A–600A, measurement accuracy: ±1% |
||
|
Sampling frequency |
|
4096Hz |
|
Fault Detection |
Identifiable Fault Types Minimum Reclosing Time |
Phase-to-phase short circuit, single-phase ground fault in each phase |
|
Transient faults and persistent faults |
||
|
0.2s |
||
|
Line Status Indication |
Instruction type |
High‑brightness LED, 360° omnidirectional |
|
Continuous Flash Duration After Power Outage |
>2000h |
|
|
Fault Reset Method |
Automatically resets at a set time, with a configurable duration of 1–48 hours. |
|
|
Automatic Reset Upon Power-On and Remote Manual Reset |
||
|
Local Communication Methods |
Frequency band |
430–480 MHz |
|
Communication distance |
>50m |
|
|
Transmit power |
<25mA@+10dBm |
|
|
Received Power |
<3mA |
|
|
Communication Rate |
150kbps |
|
|
Mechanical Properties |
Weight |
<1kg |
|
Protection Level |
Collection unit: IPX7; Aggregation unit: IPX5 |
|
|
Work environment |
Operating temperature |
-40℃~70℃ |
|
Humidity |
10%–100% |
|
|
Service life |
Operating life |
>8 years |
|
Mean Time Between Failures |
MTBF ≥ 70,000 hours |
|
Keywords:
Overhead Transient Recording Remote Fault Indicator JYL
Online Quotation Request
More products
If you have any further needs, please submit your application online—we will respond to you as soon as possible!
Contact Information
Phone:
Email:
Address:
East of the 22nd Avenue and south of Fengda Road, Zhengzhou Economic and Technological Development Zone
Copyright © Henan Sanhe Electric Group Co., Ltd
Powered by www.300.cn Supports IPV6 Privacy Agreement
微信公众号