WAZIPOINT Engineering Science & Technology

Monday, July 6, 2026

AC Size Calculator

AC Size Calculator — WAZIPOINT
WAZIPOINT.COM — Engineering Field Tools

Air Conditioner Size Calculator

Estimate the right BTU/hr cooling capacity and AC tonnage for a room, corrected for ceiling height, sun exposure, occupancy, and Bangladesh's hot-humid load — built on standard HVAC rule-of-thumb sizing.

Sunday, July 5, 2026

Wire & Cable Size Calculator

Electrical Wire & Cable Size Calculator — IS 732 / IEC 60364-5-52
wazipoint.com · electrical engineering tools

Wire & Cable Size Calculator

Size copper conductors for ampacity (current-carrying capacity) and permissible voltage drop in one pass, using correction factors consistent with IS 732 and IEC 60364-5-52. Enter the circuit details below — results update as you type.

Thursday, July 2, 2026

Isolator Phase Connect and Disconnect Sequence

 

Technical Guide for Substation Engineers

High Voltage Isolator Phase Connect and Disconnect Sequence: A Complete Technical Guide for Substation Engineers

Learn the correct high voltage isolator (disconnector) switching sequence, three-phase interlocking logic, and IEC/IEEE standard references for safe substation switching operations.

Why We put Salt and Charcoal into Earth-pit while Earthing?

Why We put Salt and Charcoal into Earth-pit while Earthing?

What is Earthing Resistance?

Earthing resistance is not the resistance of the electrode. The earthing resistance is not the same all over the area. The value of earth resistance depends upon the soil resistivity of the particular area.

Wednesday, July 1, 2026

Why Cloudes are Various Types?

Why Cloudes are Various Types?


Clouds come in different types mainly because of how and where they form in the atmosphere. A few key factors drive this variety:

1. Altitude
Clouds are grouped by the height at which they form:

  • High-level (5–13 km): Cirrus, cirrostratus, cirrocumulus — thin, wispy, made of ice crystals since it's very cold up there.

Saturday, June 27, 2026

Renewable Energy Integration: Balancing Innovation and Infrastructure

 

The future of energy depends not only on how we generate power, but also on how we deliver and manage it. 


As the world's energy needs are increasing, the global push towards reducing carbon footprints, promoting sustainability, and enhancing energy security continues across countries. The key is the integration of eco-friendly energy (solar, wind, and hydro systems) into existing energy systems. However, this transition cannot succeed through technology alone; innovation and infrastructure development must go hand in hand to achieve a future power system that will be both efficient and sustainable.