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Why do "electric cars" eat more fire on freeways?

⚡ Why do "electric cars" eat more fire on the freeway?

Many people may wonder why EVs run in economical cities, but when they go up the freeway back to battery faster, even without traffic jams, the main answer is a huge increase in air resistance at high speeds.

🚗 when the speed increases from 60 km / h to 120 km / h.

The wind force can increase by 4 times, and the motor requires several times more energy to break through the air forward, thus clearly reducing the battery faster.

🔋 There are other factors, such as

• Charging back system from braking works less

• Motor work harder at high cycle

• The battery is heated and requires additional cooling.

• Turning on air or extreme hot / cold weather also affects the distance.

📌 How to save fire on the freeway

✅. It takes a speed of about 90-100 km / h.

✅ Avoid acceleration and strong braking.

✅ Turn off the glass. Reduce wind resistance.

✅. Plan the charging point in advance.

The simple conclusion is that electric cars do not have a problem, but "high speed" requires more power to all systems, which is why EVs are sensitive when running long distances on freeways.

# Electric car # EV # Car battery # Automotive technology ♪ Electric train# Energy # Car knowledge # EVThailand # Freeway # Car

5/24 Edited to

... Read moreจากประสบการณ์ส่วนตัวที่ได้ใช้รถยนต์ไฟฟ้า วิ่งบนทางด่วน เราจะรู้สึกได้เลยว่าแบตเตอรี่ลดเร็วกว่าช่วงขับขี่ในเมืองอย่างเห็นได้ชัด สาเหตุหลักมาจากแรงต้านอากาศที่เพิ่มขึ้นอย่างมากเมื่อต้องวิ่งด้วยความเร็วสูง เช่น จาก 60 กม./ชม. เพิ่มเป็น 120 กม./ชม. แรงต้านลมจะเพิ่มขึ้นถึง 4 เท่า และกำลังที่ใช้เพื่อฝ่าแรงต้านลมนี้ยังเพิ่มขึ้นถึง 8 เท่า ส่งผลให้มอเตอร์ต้องทำงานหนักขึ้น และใช้พลังงานมากขึ้นหลายเท่า นอกจากนี้ การชาร์จไฟกลับจากการเบรกหรือการหน่วงความเร็วก็ทำได้น้อยลงเมื่อวิ่งด้วยความเร็วสูง เนื่องจากในทางด่วนมักจะขับขี่อย่างต่อเนื่องน้อยครั้งที่จะมีการเบรก ทำให้สูญเสียโอกาสในการชาร์จไฟกลับเข้าสู่แบตเตอรี่ ความร้อนที่เกิดขึ้นกับแบตเตอรี่และมอเตอร์ก็เป็นอีกปัจจัยหนึ่ง เมื่อขับขี่ด้วยความเร็วสูงเป็นเวลานาน แบตเตอรี่จะร้อนขึ้นจนระบบต้องใช้พลังงานช่วยระบายความร้อน เพื่อรักษาความปลอดภัยของแบตเตอรี่และเพิ่มประสิทธิภาพการทำงาน นอกจากนี้ การเปิดแอร์ในสภาพอากาศร้อนจัด หรือเปิดระบบทำความร้อนในฤดูหนาวก็ทำให้ใช้พลังงานเพิ่มขึ้นเช่นกัน จากคำแนะนำที่ได้รับว่า ควรใช้ความเร็วในช่วง 90–100 กม./ชม. และหลีกเลี่ยงการเร่งหรือเบรกแรง รวมทั้งปิดกระจกเพื่อลดแรงต้านของลม ทำให้ช่วยให้ประหยัดพลังงานมากขึ้นได้จริงๆ ในการวางแผนเดินทางระยะไกล ขอแนะนำให้คำนึงถึงจุดชาร์จล่วงหน้าและหลีกเลี่ยงการบรรทุกสัมภาระเกินความจำเป็น เพราะของที่หนักจะเพิ่มแรงต้านลมและทำให้รถกินไฟมากขึ้นด้วย โดยสรุป การขับรถยนต์ไฟฟ้าบนทางด่วนที่ความเร็วสูงนั้น แม้จะทำให้ใช้ไฟมากขึ้นจนระยะทางวิ่งลดลง แต่หากปรับพฤติกรรมการขับขี่และเตรียมพร้อมเรื่องจุดชาร์จอย่างเหมาะสม ก็สามารถช่วยลดการกินไฟและเพิ่มความสะดวกสบายในการเดินทางได้อย่างมาก

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