Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [panel]

The tag has no usage guidance.

0
votes
1answer
44 views

Can different power solar panels be connected in series? [closed]

I have 3 100w 12v solar panels in series connection. This normally works fine. Yesterday one of solar panels split because of the strong wind. It lost a lot of power, 50percent I guess. The ...
3
votes
1answer
84 views

Is it necessary to provide surge suppressor to every control relay?

We have a motor control centre installed in garage for a commercial outlet. The MCC has a SMC-Flex ( Low voltage soft starter). The control relays (700 HA33) are connected to the SMC control ...
0
votes
0answers
28 views

Durable, UV-resistant labeling for electronics enclosure

I'm not sure if this is the right forum for this question. I'm asking here in hopes that someone has dealt with this. If this is the wrong forum, please do not vote me down. If necessary, I'll simply ...
-1
votes
1answer
35 views

How to compute for bolted short circuit current taking conductor impedance into account

There is 23 feet of AWG 1 conductor from the open delta transformers to the service panel where the bolted short circuit and arc flash occurred. How do you include the impedance of the conductor with ...
0
votes
4answers
153 views

Was this caused by arc flash or just short circuit without any arc flash?

Can the following be caused by short circuit without any arc flash? There was an initial short between lugs and chassis. Did arc flash occur that caused the lugs to melt. Or can it melt just by the ...
1
vote
0answers
61 views

Footprint panel is grayed on Altium Designer PCB

This is a project I imported from Eagle (not so bad by the way). I resolved all schematic compilation errors. But now I am facing some small issues in the PCB part: On the properties panel when I ...
0
votes
1answer
40 views

Solar variation tolerance for a solar panel

How to estimate average variation of input solar radiation that would be tolerable for a given solar panel? On what parameters will it depend?
1
vote
2answers
107 views

Necessary voltage to charge NiMH using Solar Panel

I'm trying to understand which voltage I need to charge my NiMH batteries so I can purchase the components to do this. Actually I have 2x AA Ni-MH 1.2 V 1900 mAh and 4x Solar Panel 2 V ...
0
votes
2answers
41 views

how to mount a flat keypad on a panel

Flat Keypad or Membrane Keypads are cheap and beautiful Keyboad that can be used in systems. but the question is how can they be mounted in a box or panel?
1
vote
3answers
76 views

Powering a PC monitor with batteries

So, this is where I am at currently( no pun intended). I am assuming that with an inverter for both components and 3 - 4-18650 cells in series - in parallel rated at 4800mAh would be good enough? Ill ...
3
votes
0answers
79 views

New DIY project try to understand MPPT [closed]

I got used battery MODULE with the next specs "40V 18.4AH 736WH build of ninety six A123-26650 LITHIUM LIFEPO4 cell " Cell specs: Nominal Capacity: 2300mAh Voltage(nominal,V): 3.3V Internal ...
2
votes
1answer
197 views

Matching LCD controllers to LCD compatible panels

Over the years, I've accumulated numerous LCD panels and controller boards salvaged from TVs, Monitors, Cell Phones, digital picture frames, GPS devices and tablets. I would like to reuse the panels ...
0
votes
1answer
121 views

I need help connecting 2 solar panels in paralel

I'm new to Electronics but I love solar panels and hiking. So, I bought 2 of these and one of these and I connected them. I cut 2 USB Cables, connected + with + and - with - from each Cable and ...
-3
votes
1answer
112 views

Electrical panel indicator lights flickering [duplicate]

I'm wondering what the underlying mechanism of the flickering of the panel indicator lights is. Are there electronic oscillators of some kind in there?
0
votes
1answer
60 views

Solar Panel Voltage vs. Consumer Solar Generator

I have a 235 W solar panel that I wish to take with me on camping trips. I’m looking at getting a Goal Zero “solar generator” product to store the energy from the panel, specifically the lithium-ion ...
-2
votes
1answer
288 views

Charging a car battery with solar panel [closed]

Sorry about the previous format, guess i was a bit confused and in a rush myself, So let me put it this way. I'm like, i have a dc battery and a solar panel which of course produce d.c so I'm ...
0
votes
2answers
126 views

C.P (unknown abbreviation, control cabinet drawing)

I don't know what "C.P" might stand for in a HVAC control cabinet drawing. Could anyone have a quick look? I'm not an electrical engineer, but a translator. Not sure what electrical component is ...
0
votes
0answers
58 views

24-30pin connector for digital picture frame

Hey all I have 3 27" lcd panels that I will be making digital picture frames out of and I am looking for advice on what i can use in order to use only 1 cable going to the digital picture frame since ...
0
votes
1answer
71 views

How can there be a non-zero voltage difference between Phase A on the left and Phase A on the right when they come from the same power source?

Hi StackExchange community, Here I have a wiring diagram that represents a portion of a circuit found in a hospital. The voltage difference was measured between phase A on the left and the phase A ...
0
votes
2answers
50 views

I need the name of a Hitachi TX26D60VC1CAB panels connector (picture included)

i have recently ventured into reverse-engineering this Compaq 420cxs panel. I have managed to find a semi-complete datasheet (more of a pinout-diagram) for it and with the help of an esp8266 based dev ...
0
votes
1answer
57 views

Can one wire solar cells to a computer to model data? [closed]

I hope someone out there is able to answer this- Is it possible to wire a few solar cells to a computer (using a USB) to analyze/model the data that's being acquired (i.e. voltage, amperage, etc.) ...
3
votes
1answer
181 views

How much time needs a 120W/15V solar panel to charge a 48V/2.1KWH battery?

Could you help me with this problem? I'm building a solar panel with these characteristics: No. of Cells: 36 Cell Type: Mono-crystalline 125x125mm 3.42w Max. P: ...
0
votes
1answer
144 views

PCIM176J panel meter

I scored a couple of panel meters stamped PCIM 176J. Anyone have a datasheet for this thing? Google found nothing.