GalleryPower Flow Studies on Utility Distribution
If you work with utility-scale or community solar PV, you may have heard the utility refer to the term “power flow study”, also called “load flow study”, and wonder what that is.
Utility distribution feeders are designed and operated at medium voltage, also called primary voltage, which is typically between 4 kV and 35 kV in […]
What is All This Water Doing in the Inverter? – What Can Happen When Rooftop Conduit Fittings Are Improperly Installed
While it may seem like a minor detail to new solar installers, using the wrong conduit fittings, or installing the right ones incorrectly, can have disastrous consequences. Conduit fittings are used to connect sections of electrical conduit, which protect and direct electrical wiring on installations. When installers use improper fittings or don’t install them properly, […]
GalleryNew Course Announcement: Understanding Utility Scale Solar Construction Drawings
Being able to understand and read construction drawings means everyone onsite and at the office can speak the same language. It’s an absolute necessity for teams, especially when working on utility scale solar projects. Get everyone on the same page by taking HeatSpring’s new Understanding Utility Scale Solar Construction Drawings course taught by HeatSpring instructor […]
GalleryTime to Recertify Your NABCEP Professional Certification? – A Comprehensive Guide
You met all the qualifications. You completed the application. You studied and – most importantly – you passed your NABCEP certification exam! Now that you’ve done the hardest part, it’s time to recertify and maintain your NABCEP professional certification.
Here’s what you need to know…
Before we dive in, this post is about NABCEP professional certifications. This […]
Troubleshooting Isolation Faults Like a Pro
Isolation faults happen on PV systems when DC current leaks to ground. It can be caused by a number of issues like damaged or pinched wires, defective optimizers, or an inverter fault. In the new Residential Field Operations & Maintenance course, HeatSpring instructor Keith Rohman walks students through solving the issue from arriving onsite to […]
