GuangZhou NASN POWER Co., ltd

07/08/2026

See V2V EV-to-EV Bidirectional Charging in Action

06/08/2026

10-Port OCPP1.6 Smart E-Bike Charging Cabinet
🌟 Key Advantage: Standard OCPP 1.6 protocol for full remote cloud operation
✅ 7000W total power, independent fuse per channel
✅ Auto stop when battery fully charged
✅ IP55 outdoor waterproof metal housing
Great for charging operators, apartments & delivery stations.
📩 DM me for specs, pricing, or a quick consultation!

05/08/2026

Testing2☆☆☆

04/08/2026

🧠 Electrical Quick Tip: Dry Contact vs. Wet Contact
No, we’re not talking about laundry. 😄
In automation and PLC wiring, these two terms cause more confusion than they should.
🔹 Dry Contact = Voltage-Free Switch​
It’s just a mechanical on/off. No power inside. You bring your own voltage.
Think: push buttons, limit switches, relay contacts.
✅ Great isolation, works across voltages.
❌ Needs an external power supply.
🔹 Wet Contact = Powered Output​
This one comes pre-loaded—usually DC24V, NPN, or PNP.
Think: proximity sensors, PLC transistor outputs.
✅ Simple wiring, fast response.
❌ Mind the polarity and voltage match.
💡 Rule of thumb:
• Need isolation or long cable runs? → Dry​
• Hooking up sensors nearby? → Wet
Hook them wrong, and you’ll either get no signal—or a very expensive puff of smoke. 💨😅
Automation

03/08/2026

Testing☆☆☆

30/07/2026

Field Rules for Distributed PV: Conduits, Inverters, Grounding
Distributed rooftop PV is no longer just about mounting panels; safe and inspectable electrical work decides 20-year uptime. Based on 2026 residential and C&I field practice, eight rules stand out.

PVC conduits must run straight and level, fixed with stainless clamps spaced within 1.5 m. Exposed cable at transitions is allowed but kept ≥20 cm, and flexible hose is banned. AC cables keep their outer jacket except where they enter the inverter or grid-tied combiner box.

Inverters and combiner boxes hang plumb at ≥2 m height, with 20 cm clearance on every side for service. South- or west-facing devices get a sunshade. Grounding down-conductors are painted with yellow-green stripes. DC strings get permanent tags at the inverter end so O&M crews can trace a fault in minutes instead of hours.

These details look minor next to panel wattage, yet they are exactly what AHJ inspectors and O&M logs flag first. Clean conduit routing, locked labeling, and correct grounding turn a solar array from "installed" to "operational."

29/07/2026

28/07/2026

Urban Photovoltaic Forest: Green Power Plants on the Roof

As cities grow denser, rooftops are shifting from forgotten concrete planes to core nodes of urban energy systems. A short piece titled "Urban Photovoltaic Forest" captures this shift with plain imagery: workers pour cement pedestals on a building top, erect steel brackets, and once the panels are mounted, a low-carbon, silent, always-generating "photovoltaic forest" stands above the skyline.

The so-called solar forest is not about planting trees. It is about arranging PV arrays so densely that they form an artificial green canopy over the city. They take no farmland, cut no woods, and borrow only the dead space on existing roofs to turn daylight into grid-ready clean power. For land-scarce metropolises with tight power supply, this distributed logic carries both economic and climate value.

The backdrop of 2026 makes the idea timelier. Google Trends data shows steady rises in queries like "solar panels for house," "rooftop solar installation," and "solar battery storage system," reflecting stronger household interest in energy autonomy and backup power. Meanwhile BIPV facades, high-efficiency TOPCon modules, and AI energy management are upgrading rooftop solar from "mounting panels" to "installing a thinking mini power plant."

From single homes to retail chains, from factories to airport terminals, the urban PV forest replicates in modular form. It eases peak grid stress, keeps carbon in sunlight rather than smoke, and reminds every solar worker that each pedestal, bracket, and module is part of how future cities breathe.

27/07/2026

Safe & Smart 10-Channel E-Bike Charging Station NSAC010B
✅ IP55 outdoor metal box
✅ OCPP1.6 / QR & Card payment two versions
✅ Auto power cut off when fully charged
✅ Multiple safety protection for fire prevention
Ideal commercial charging equipment for residential & business areas! DM for price list.

23/07/2026