PEF615E_D

Description

Parameter Specifications

1. Power Supply
   The PEF615E_D typically operates on a wide – range AC power supply, usually from 85V to 265V, 50/60Hz. This wide input voltage range allows it to be used in different electrical environments globally. The power consumption is relatively low during normal operation, around 10 – 15W, which ensures energy – efficiency.
2. Measurement Functions
   • It can measure multiple electrical parameters with high precision. For voltage, it can measure up to 690V (phase – to – phase), with an accuracy of ±0.2%. For current, it can handle large – range currents, depending on the connected current transformers, and also offers an accuracy of ±0.2%.
   • It can also measure power (active, reactive, and apparent), energy (both import and export), frequency, and power factor. The energy measurement accuracy is typically ±0.5%.
3. Communication
   The device supports multiple communication protocols. It has Modbus RTU over RS – 485, which is widely used in industrial automation for data exchange with other devices such as PLCs and SCADA systems. Additionally, it may support Ethernet – based protocols like Modbus TCP for high – speed and long – distance communication.

Uses

1. Power Distribution Systems
   • In industrial and commercial buildings, the PEF615E_D is used to monitor the electrical parameters of power distribution panels. It helps in load management, fault detection, and energy consumption analysis. For example, it can detect an over – current situation in a particular feeder and send an alarm signal to the control center.
2. Renewable Energy Systems
   • In solar or wind power plants, it can monitor the power output, voltage, and current of the generation units. It also helps in integrating the renewable energy into the grid by providing accurate power and energy data for grid – connection management.
3. Industrial Processes
   • For manufacturing plants, it can be used to monitor the electrical consumption of individual production lines or large – scale equipment. This data can be used for cost – accounting, process optimization, and equipment maintenance planning.

Weight and Dimensions

1. Weight
   The PEF615E_D weighs approximately 1.5 – 2 kg, which is relatively light considering its functionality and the robust construction.
2. Dimensions
   It has a compact design with dimensions around 144mm (width) x 144mm (height) x 75mm (depth). This allows it to be easily installed in standard electrical cabinets or on panel boards.

Characteristics

1. High – Precision Measurement
   • The high – accuracy measurement of electrical parameters ensures reliable monitoring and control of electrical systems. This is crucial for energy management and equipment protection.
2. Flexible Communication
   • The support for multiple communication protocols makes it easy to integrate into different types of industrial networks, whether they are legacy RS – 485 – based systems or modern Ethernet – based networks.
3. User – Friendly Interface
   • It usually comes with a clear and intuitive display interface, which allows users to easily view the measured electrical parameters and configure the device settings.

Stability and Reliability

1. Robust Design
   • The device has a sturdy housing that can withstand harsh industrial environments, including temperature variations, humidity, and mechanical vibrations.
2. Redundancy and Fault Tolerance
   • Some versions of the PEF615E_D may offer redundant communication paths or backup power options to ensure continuous operation even in the event of a single – point failure.
3. Long – Term Testing
   • The device has undergone extensive long – term testing under various operating conditions to ensure its stability and reliability over a long service life.

Actual Cases

1. Commercial Office Building
   In a large commercial office building, the PEF615E_D was installed in each floor’s power distribution panel. It monitored the energy consumption of different areas such as offices, common areas, and elevators. Based on the data, the building management could optimize the lighting and HVAC systems, resulting in significant energy savings.
2. Solar Power Plant
   At a solar power plant, the PEF615E_D was used to monitor the power output of each solar array. It detected a decrease in power generation in one of the arrays due to a malfunctioning solar panel. By quickly identifying the problem, the maintenance team could replace the faulty panel, minimizing the loss of power generation.