Product Introduction

The training device has the characteristics of novel structure, reasonable layout, strong simulation, and convenient operation. It is specifically designed for skill training and assessment of professional personnel in the power sector, including maintenance electricians, line installers, meter installers, electricity inspectors, general electricians, and rural power grid distribution operators. By using actual installation wiring, the installation and wiring operations of low-voltage electrical and energy metering circuits are realized. Through training, trainees are familiar with various wiring regulations, proficient in wiring processes and procedures, and improve their practical skills.

The training device can provide multiple training and exams on the installation layout, debugging, replacement, troubleshooting, and high-altitude live fire safety skills, as well as related instrument and meter testing of electric energy meters, measuring terminals, current transformers and incoming/outgoing line switches, measuring junction boxes, etc.

The training device is capable of conducting practical training on metering terminal debugging, checking the status information of electric energy meters and terminals, testing the local and remote tripping functions of control circuits, and testing the control functions of metering box door switches.

Product features/main functions

● Equipped with a low-voltage integrated reading simulation training master station system

The low-voltage centralized reading simulation training main station system can be configured locally or remotely, and the communication between the main station system and the terminal is through Ethernet/wireless public network.

● Equipped with independent fault setting software

The device is equipped with fault setting software, which can perform fault setting and recovery on the simulation metering terminal and simulation energy meter. The fault setting software is separated from the main station system software, and can be configured locally or remotely with the main station system software.

● Equipped with energy meter simulation function

The simulated electricity meter is compatible with State Grid standards and communication protocols, and can communicate with local concentrators or collection terminals. The communication methods support carrier, dual-mode, low-power, and RS-485 communication, and can set and modify parameters such as positive and negative active and reactive data, peak and valley data, etc. It also has fault simulation function, which can simulate three common on-site faults: display, collection, and measurement. All parameter settings and fault settings can be set and restored through remote or local fault setting software.

● Equipped with terminal simulation function

The simulation terminal is compatible with the specifications and communication protocols of State Grid Corporation of China. It can connect with the automatic simulation training system for electric energy metering in the upstream and communicate with the local electric energy meter in the downstream. The communication methods support carrier, dual-mode, low-power, and RS-485 communication. It also has fault simulation function, which can simulate three common on-site faults: display, acquisition, and metering. All parameter settings and fault settings can be set and restored through remote or local fault setting software.

● Equipped with environmental simulation function

The upper part of the device cabinet is designed and installed with reference to the electric energy metering device, and the installation area meets the requirements of the relevant meter box size and component configuration of State Grid, so that the simulated metering user's on-site environment, wiring method, metering components, incoming and outgoing line switches, operating parameters, etc. are completely consistent with the site, achieving zero distance connection between the training environment and the site, and giving trainees a sense of immersion.

● Equipped with virtual load power supply

The device is equipped with a built-in virtual load power supply, which provides operating voltage and current to the low-voltage main line and metering device, enabling them to enter the operating state.

The device power supply has good fault tolerance function, and any wiring errors will not cause damage to the power supply.

The power supply of the device adopts electrical isolation treatment, and the voltage and current applied to the meter and main line are all supplied by virtual load power supply. The device shell is reliably grounded and has overload protection and leakage protection functions.

● Equipped with line fault detection and alarm functions

The device has intelligent detection function, which can automatically detect and judge errors or faults such as voltage circuit short circuit and current circuit open circuit in the installation wiring, and issue fault indicators (light alarm); Fault indication: Each phase's current and voltage are independently indicated. The current and voltage circuits without faults operate normally. When the fault is resolved, the circuit can automatically resume normal operation and can be used to check and determine wiring errors or troubleshooting situations.

● It has multiple networking functions for low-voltage centralized reading.

It can achieve full coverage of RS-485 bus scheme, full carrier scheme, half carrier scheme, full micro power wireless scheme, half micro power wireless scheme, etc. for low-voltage centralized reading. And support mixed networking of various solutions.

● Equipped with instrument and meter training functions

The device is capable of conducting live checks on the operation of electric energy meters and conducting practical training on the use of instruments such as clamp ammeters, digital multimeters, phase sequence meters, and phase volt ammeters.

The device is capable of providing practical training on power-off and live inspection projects for metering circuits.

● Equipped with low-voltage integrated reading simulation training main station simulation function

Having the general functions of a low-voltage centralized reading master station, it can achieve centralized reading function training.

Technical parameters

Typical applications

The low-voltage centralized reading simulation training system consists of a multifunctional installation and wiring training device and a low-voltage centralized reading simulation training main station system software. The main station system and the simulated terminals and simulated energy meters configured by the device constitute the low-voltage centralized reading simulation training system, which has the general functions of low-voltage centralized reading in the provincial metering automation system of State Grid Corporation of China.

A set of live fire low-voltage centralized reading simulation training system with 4 workstations, simultaneously using four types of low-voltage typical metering installation, operation and maintenance training, including low-voltage three-phase through transformers, three-phase straight through, photovoltaic access, and single-phase multi meter positions. The four workstation devices can be separated and used separately, meeting the flexibility of adjusting different types of electrical components, energy meters, and other installation workstations.

Four training stations meet the safety business skills training requirements for the installation layout, installation wiring, high-altitude live fire connection, debugging and troubleshooting, replacement and handling of various energy metering devices.