In the Middle East, under the extremely high temperature, strong dust and high humidity environment of the coast, current sensors, as the core components for efficient operation of charging piles, solve a variety of severe challenges through precise current monitoring, system protection and energy efficiency optimization. The following is an analysis of its key role and technical adaptability:

 

 

 

1.Stability guarantee in high temperature environment

The summer temperature in the Middle East often exceeds 50°C. Ordinary sensors are prone to drift or failure. The HYCA-16-PD special current sensor ensures stability through the following designs:

 

Wide temperature range operation: Industrial-grade sensors operate in temperatures ranging from -40°C to +85°C, ensuring accuracy at high temperatures.

 

Low thermal drift technology: adopts multi-unit integrated design to integrate the Hall chip and temperature compensation circuit into a single chip to reduce the measurement error caused by temperature drift (zero point temperature offset ≤ ±0.44mA).

 

Low heat design: Coreless sensors reduce conductor resistance, reduce self-heating, and avoid high temperature superposition.

 

 

 

Reliable protection against dust and high humidity environments

 

Dust intrusion may cause arcing, and coastal humidity increases the risk of corrosion:

 

Sealed dustproof design: HYCA-16-PD fluxgate current sensor adopts ultrasonic welding packaging to achieve IP67 level dustproof and waterproof, suitable for desert and coastal environments.

Anti-external magnetic interference: HYCA-16-PD leakage sensor uses a larger cross-sectional area magnetic core, which significantly improves the ability to resist magnetic interference from metal particles in sand and dust.

 

Anti-corrosion material: The sensor housing is made of aluminum alloy plating or engineering plastics to resist salt spray corrosion.

 

 

 

Core optimization of charging efficiency

 

Current sensors directly optimize charging speed and energy efficiency by improving power factor and reducing losses:

 

 

 

1.PFC circuit precise control

In the VIENNA PFC circuit of the DC fast charging pile, the current sensor detects the polarity of the switching current in real time to ensure that the power factor is ≥ 0.9 (much higher than 0.65 of the circuit without PFC), reduce harmonic losses, and comply with international standards.

 

High-precision detection (±0.1% non-linearity) avoids switching timing deviation, reduces total harmonic distortion (THD), and improves power conversion efficiency.

 

 

 

2.Low impedance design reduces heat loss

 

Traditional shunt resistors generate heat, which reduces energy efficiency, while magnetic induction sensors eliminate resistance losses through non-contact detection, making them suitable for high-load fast charging piles in the Middle East.

 

 

 

 

Safety protection: leakage and overcurrent monitoring

 

The humid environment in the Middle East can easily cause leakage. Current sensors provide multiple protections:

 

DC leakage detection: HYCA series sensors can identify smooth DC, pulsating DC (2PDC/3PDC) leakage current, covering the A-type +6mA DC standard to prevent the “blind spot effect”.

Fast fault response: HYCA series response time ≤ 2.5μs, accuracy ± 0.5mA, instantaneous power cut-off in case of overcurrent or leakage to avoid electric shock accidents.

 

 

 

 

Intelligent monitoring and system life extension

 

Digital integrated solution: HYKCD series supports digital output and uploads current data to the cloud in real time, enabling remote monitoring of the health status of charging piles and preventing sudden failures.

Load adaptive regulation: Some sensors use the coulomb counting function to dynamically adjust the output current to avoid battery overcharging and extend the life of the vehicle battery and charging station.

 

 

 

 

6.Customized technology trends in the Middle East

To adapt to local needs, technical solutions continue to innovate:

 

Fluxgate technology: HYCA high-precision sensors (accuracy <50ppm) are used for charging pile measurement calibration to ensure measurement accuracy under desert temperature differences.

 

 

Comparison of key technologies (Middle East applicability analysis)

The following table compares the performance of mainstream technologies in the Middle East environment:

 

| Hall effect (closed loop) | -40°C~85°C | Medium (requires package reinforcement) | ≤1μs | DC fast charging pile PFC control |

 

| Fluxgate (digital) | -40°C~85°C | High (ultrasonic sealing) | ≤10μs | Leakage detection and metrology calibration |

 

| AMR (Magneto-Resistive) | -40°C~125°C | High | ≤100ns | High-precision current monitoring |

 

| MI (Magnetic Impedance) | -40°C~105°C | Medium to High | ≤500ns | Non-contact Low Loss Detection |

 

AMR/MI is a new solution with outstanding temperature resistance and anti-interference capabilities.

 

 

 

 

Summarize

 

Current sensors play the role of “smart heart” in charging piles in the Middle East:

 

Harsh adaptability: Withstands extreme environments through wide temperature range and sealed dustproof design;

 

Efficient empowerment: Optimize PFC circuit to reduce losses and increase charging speed;

 

Active protection: Accurately detect leakage/overcurrent to ensure personal and equipment safety.

 

Future trends will focus on higher temperature tolerance (>125°C) and multi-fault diagnostic integration to meet the growing demand for ultra-fast charging in the Middle East.

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