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Taha Alasemi | طه العاصمي

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A Perfect welding machine

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كيف يتم تجميع المحولات الكهربائية؟

كيف يتم تجميع المحولات الكهربائية؟

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🔄 Ever wondered how a substation “understands” electricity? Currents flow. Voltages fluctuate. Temperatures rise. But protection relays don’t read analog waves — they read numbers. Before a breaker trips or an alarm appears on SCADA, an invisible process converts raw electrical signals into digital intelligence. That silent hero? Analog-to-Digital Conversion (ADC). Let’s break it down step by step 👇 📡➡💻 From Analog Signal to Digital Decision 1️⃣ Low-Pass Filtering (Anti-Aliasing) ⚙️ Purpose: Remove high-frequency noise before sampling. Why? If unwanted frequencies enter the ADC, they cause aliasing — distortion that corrupts measurements. 💡 Clean input = accurate digital output. 2️⃣ Sampling 📉 The continuous analog waveform is captured at fixed time intervals. Sampling rate matters. Too slow → information loss. Too fast → unnecessary data overload. In power systems, sampling is often synchronized with system frequency (50/60 Hz). 3️⃣ Quantization 🪜 Each sampled value is approximated to the nearest discrete level. Resolution depends on ADC bits: • 8-bit → 256 levels • 12-bit → 4096 levels • 16-bit → 65,536 levels Higher resolution = finer accuracy in current and voltage measurement. 4️⃣ Encoding 🔢 Quantized values are converted into binary form. Example: Analog value → Quantized level → 110010 Now the signal is no longer a waveform — it’s data. 5️⃣ Digital Output 📲 The binary stream is transmitted to: ✔ Protection relays ✔ IEDs ✔ RTUs ✔ SCADA systems From here, algorithms detect faults, measure harmonics, calculate power, and trigger protective actions. 🧠 Without accurate ADC: ❌ Protection misoperations increase ❌ Fault detection becomes unreliable ❌ Automation decisions degrade With precise ADC: ✔ Real-time protection ✔ Advanced fault diagnostics ✔ Accurate metering ✔ Seamless IEC 61850 integration Every digital substation depends on clean, time-synchronized data. ⚡ From a simple CT secondary current to a breaker trip command — it all begins with precise sampling and conversion. Next time you analyze disturbance records or SCADA logs, remember: Behind every number lies an ADC working in microseconds.

🔄 Ever wondered how a substation “understands” electricity? Currents flow. Voltages fluctuate. Temperatures rise. But protection relays don’t read analog waves — they read numbers. Before a breaker trips or an alarm appears on SCADA, an invisible process converts raw electrical signals into digital intelligence. That silent hero? Analog-to-Digital Conversion (ADC). Let’s break it down step by step 👇 📡➡💻 From Analog Signal to Digital Decision 1️⃣ Low-Pass Filtering (Anti-Aliasing) ⚙️ Purpose: Remove high-frequency noise before sampling. Why? If unwanted frequencies enter the ADC, they cause aliasing — distortion that corrupts measurements. 💡 Clean input = accurate digital output. 2️⃣ Sampling 📉 The continuous analog waveform is captured at fixed time intervals. Sampling rate matters. Too slow → information loss. Too fast → unnecessary data overload. In power systems, sampling is often synchronized with system frequency (50/60 Hz). 3️⃣ Quantization 🪜 Each sampled value is approximated to the nearest discrete level. Resolution depends on ADC bits: • 8-bit → 256 levels • 12-bit → 4096 levels • 16-bit → 65,536 levels Higher resolution = finer accuracy in current and voltage measurement. 4️⃣ Encoding 🔢 Quantized values are converted into binary form. Example: Analog value → Quantized level → 110010 Now the signal is no longer a waveform — it’s data. 5️⃣ Digital Output 📲 The binary stream is transmitted to: ✔ Protection relays ✔ IEDs ✔ RTUs ✔ SCADA systems From here, algorithms detect faults, measure harmonics, calculate power, and trigger protective actions. 🧠 Without accurate ADC: ❌ Protection misoperations increase ❌ Fault detection becomes unreliable ❌ Automation decisions degrade With precise ADC: ✔ Real-time protection ✔ Advanced fault diagnostics ✔ Accurate metering ✔ Seamless IEC 61850 integration Every digital substation depends on clean, time-synchronized data. ⚡ From a simple CT secondary current to a breaker trip command — it all begins with precise sampling and conversion. Next time you analyze disturbance records or SCADA logs, remember: Behind every number lies an ADC working in microseconds.

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Expect the Unexpected! 🐄🏍️

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Expect the Unexpected! 🐄🏍️

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Why Neutral Wire Can Shock ?

Why Neutral Wire Can Shock ?

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Good tips to repair 👨‍🔧 your car 🚙

Good tips to repair 👨‍🔧 your car 🚙

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I recommend this video, it is good

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What will happen if you jump inside a high-speed train?!

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The Greatest Invention You’ve Never Seen: How MOSFETs Work

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The person who invented the key was truly a genius

The person who invented the key was truly a genius

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This pump doesn’t needs electricity or fuel to work 👌🏻

This pump doesn’t needs electricity or fuel to work 👌🏻

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