Efficient Transformer Temperature Rise Test Device

1. High efficiency & time-saving: Adopts high-efficiency load modules and intelligent temperature control algorithms, the temperature rise equilibrium time is shortened by 30%~40%, greatly improving the efficiency of factory batch testing;
2. Energy-saving & low consumption: The load module efficiency is ≥95%, which reduces energy loss by 40%~50% compared with traditional resistive load devices (especially suitable for long-term temperature rise tests of large transformers);
3. High precision & reliable data: Uses high-precision PT100 sensors and digital signal processing (DSP) technology, temperature measurement accuracy up to ±0.1℃, and data can be traced to national metrology standards;
4. Intelligent automation: Supports one-click start of temperature rise tests, automatic load regulation, automatic judgment of temperature equilibrium, and unattended operation; the software automatically records data and generates standard reports;
5. Strong compatibility: Compatible with oil-immersed, dry-type, and special transformers of different voltage levels and capacities; supports both no-load and load temperature rise tests;
6. Safe & stable: Equipped with overcurrent, overvoltage, overtemperature, and short-circuit protection functions; the load module has overload capacity (120% overload for 1 hour) to cope with transformer inrush current.

It is a high-efficiency, high-precision testing instrument designed for measuring the temperature rise performance of power transformers, distribution transformers, dry-type transformers, and oil-immersed transformers. Its core function is to simulate the actual operating load of the transformer, accurately detect the temperature rise of windings, iron cores, oil (for oil-immersed transformers), and tank surfaces under long-term rated load or overload conditions, and verify whether it meets IEC 60076, IEEE C57, and GB 1094 standards.

Working principle: The device adopts high-efficiency load simulation technology (AC load bank or inductive load module) to output stable rated current to the transformer under test. It uses high-precision temperature sensors (PT100, thermocouple) to collect temperature data of key parts in real time, with a sampling rate of up to 100Hz. The embedded control system automatically controls the load output, maintains the test temperature stability, processes data in real time (calculates temperature rise value, equilibrium time), and generates a compliant test report. Compared with traditional devices, its "high-efficiency" is reflected in fast load response, short temperature rise equilibrium time (saving 30%~40% test time), and low energy consumption.