Questions tagged [panel]

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1answer
63 views

Storing solar panels in direct sun

What is the best way to store solar panels when not hooked to a charge controller in direct sun? I was thinking about hooking each panels pos and neg mc4 connectors to itself so it will not be ...
1
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1answer
36 views

Problem with Proteus Simulation of Buck Boost Converter - please help

I built the attach circuit, I was simulating a solar panel buck boost voltage regulator to regulate the output voltage. The problem is that while it works and shows the appropriate output. It doesnt't ...
0
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2answers
37 views

Can I use a 32x6mm catridge fuse with a fuse holder specified at 38x10mm

This is my first time incorporating fuses in my project. I am trying to source for some DIN rail mount fuse holders and the accompanying cartridge fuses. After much searching, I have found the fuse I ...
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0answers
46 views

Protection Devices in DC ciruits

I am putting together a design for a custom Electrical panel. The panel consists of mainly DC powered components (Sensors, Controllers). Components are to be mechanically positioned using a DIN rail. ...
0
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2answers
152 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
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1answer
32 views

Incorrect gerber rout output in Altium

I tried to get a panelized PCB from Altium using the embedded array option from the PCB Doc file. But, I get a continuous board edge around each of the PCB replicas: it would actually need mouse bites ...
3
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1answer
131 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
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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
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2answers
261 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 ...
-1
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1answer
36 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 ...
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0answers
69 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
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4answers
180 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 ...
0
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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?
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2answers
43 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?
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3answers
89 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
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0answers
82 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 ...
0
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1answer
63 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
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1answer
264 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
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1answer
138 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 ...
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1answer
137 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?
-2
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1answer
372 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 ...
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0answers
59 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
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1answer
74 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
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2answers
55 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
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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.) ...
2
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1answer
209 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
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1answer
187 views

PCIM176J panel meter

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