Both power supplies share the same ground as my 82 volt battery. I assume then I can use my 82 volt battery ground wire to connect both of my power supplies 12 volt and 8 volt. My 8 volt power supply will power LED
Customer ServiceBoth power supplies share the same ground as my 82 volt battery. I assume then I can use my 82 volt battery ground wire to connect both of my power supplies 12 volt and 8 volt. My 8 volt power supply will power LED lights (2-4 amps) and also an 2s (about 8 amps) electronic speed controller for an RC fan placed inside the motor for
Customer ServiceSo when your power supply is a battery, it makes perfect sense to connect the (-) side of the battery to your system''s ground pin. Notice that this isn''t just a voltage reference
Customer ServiceI need to power my arduino and 2 DC motors requiring 6V each, I want to power the DC motors with a 6V battery through the vM pin on an h-bridge and use a 9V battery to power the Arduino itself. On my breadboard I have a dedicated power line and ground line on each side, is it okay to share the ground between both batteries and consequently
Customer ServiceThis application note explores the crucial role of grounding in battery management systems (BMS). It starts with fundamental BMS concepts relevant to various applications, then discusses key design considerations. The document also discusses the function of isolators in battery-powered systems. Finally, it emphasizes the importance of proper
Customer ServiceKeep your wires from your relays to the inputs reasonably short, and consider using pull-down resistors on your inputs to swamp any induced noise. If you have to run the
Customer ServiceSo when your power supply is a battery, it makes perfect sense to connect the (-) side of the battery to your system''s ground pin. Notice that this isn''t just a voltage reference though; it is also the supply return. In practical terms, what this means that the wire you use to connect (-) to the board''s ground should be at the same size as the
Customer ServiceA voltage is a "difference between two points". One of those points can be called "Ground" even if it''s in a flying plane. Like the chassis of a car is hooked to the (usually) negative terminal of the battery: the ground connection is common to ALL electronic circuits.
Customer ServiceIf the two power supplies share a common ground, or can be made to, then it is no problem. However, the return wire must be sized for the sum of the 8 V and 12 V currents. What are the 8 V and 12 V currents, power
Customer ServiceIf the two power supplies share a common ground, or can be made to, then it is no problem. However, the return wire must be sized for the sum of the 8 V and 12 V currents. What are the 8 V and 12 V currents, power levels, etc.
Customer ServiceSo when there is power supply connected to the power input that is higher than 6.6V+0.6V (where 0.6V is the diode D1 voltage drop), then the USB supply line is cutoff (because the mosfet turns off) and the power is provided from the power plug. Connecting or disconnecting the USB supply in this case will not make a difference, so you can have both power supplies
Customer ServiceDo not connect the chassis ground terminal to anything except the vehicle chassis if mounted permanently. Never connect direct to the battery. Only the DC power input terminals should be connected to the battery. Plug the small items into the inverter direct without worry. Only shock hazard will be if the power cord to the appliance is damaged
Customer ServiceAt the same time, the Battery Charger Section converts the external AC input power from the utility to DC power to charge the DC Battery Source. In case the utility fails, the load is transferred to the inverter. In case shore power / onboard AC power is not available, the Inverter can be used to provide AC power. as per Code, the Transfer relay is required to switch both the line and
Customer ServiceAs it goes through the ground wire, how does it know to go back to the battery and not the ground on the Arduino chip? Basically, every point on a conductor has the same potential (voltage), just like communicating vessels. It
Customer ServiceI need to power my arduino and 2 DC motors requiring 6V each, I want to power the DC motors with a 6V battery through the vM pin on an h-bridge and use a 9V battery to power the Arduino itself. On my breadboard I have a
Customer ServiceThe simplest way is to wire each power supply to its respective load separately, then join the grounds, and only the grounds, at a single point. This is called a star connection, because if there are several grounds all joined together it looks like a star. I suggest you "prototype" the thing to see what happens.
Customer ServiceIn case of battery negative grounding and multiplus primary ground (chassis), information advice you to use same size that dc main cables as you suggest in no. 1a (or fuse rated). But which cross-section you suggest for the one
Customer ServiceThe wall charger output amperage should exceed the power bank''s output amperage; The input current should be greater than the discharge current; The power bank capacity should be higher than your device''s capacity. Normally, you wouldn''t take two adapters with you to charge the power bank and any device at the same time. However, there
Customer ServiceI understand that there must be a current flow. But why does the current have to flow back to the SAME ground? For batteries, I imagine that there could be some kind of capacity/limit of how much current can be
Customer ServiceThe best method is to connect the two grounds at exactly one point. This is called the star point. Make sure the ground connection from your power board has low
Customer ServiceIn case of battery negative grounding and multiplus primary ground (chassis), information advice you to use same size that dc main cables as you suggest in no. 1a (or fuse rated). But which cross-section you suggest for the one earthing point to stake/rod/connection from the main grounding busbar?
Customer ServiceThis can be measured in the same units as the input power. The output power depends on the battery''s capacity and the load demand placed upon it. In renewable energy systems, the input/output dynamics of batteries are critical for maintaining a stable and reliable energy supply. Understanding how these processes work is essential when designing and
Customer ServiceI understand that there must be a current flow. But why does the current have to flow back to the SAME ground? For batteries, I imagine that there could be some kind of capacity/limit of how much current can be dumped into their ground. But if the power supply uses a power socket ground, the need for common ground is completely mysterious to me.
Customer ServiceYour cable TV, telephone and power should all share the same reference. Fiber can isolate the grounds. One other thing that needs to be touched base on is that when electrical outlets are paralleled, the ground potentials when used as a reference would be the same. Under a fault (hot to ground) at the end of the line, it''s possible that that 15 or 20 A of current in the
Customer ServiceDuring cranking, a lot of current flows through the ground strap between the engine and the battery, so there''s a voltage drop between the engine and the battery. When you have multiple ground wires that connect between the same 2 points, the current is shared between the two alternate ground paths. In other words, the ECU shares some of the
Customer ServiceFrom your "GND"s, the AGND, may represent the "analog ground", SGND may represent "signal ground", PGND may represent "power ground". For some reasons, such as safety, EMI, etc., we tend to split our system into many sub-systems. Every ground just is a reference point of the sub-systems.
Customer ServiceThe DC-DC charger completely isolates the secondary battery (input and output grounds are not connected together at any point in time, same for the 12v input and output) from the primary (starting) 12v battery in the vehicle. The charger engages when the vehicle is running so that the secondary battery is only getting charged when
Customer Service$begingroup$ Basically, every point on a conductor has the same potential (voltage), just like communicating vessels does not matter where you pour water (=electrons) into the system (=ground line), it will balance immediately. Also, remember that voltage is always the difference in potential between two points, and this is usually kept constant in an
Customer ServiceAs it goes through the ground wire, how does it know to go back to the battery and not the ground on the Arduino chip? Basically, every point on a conductor has the same potential (voltage), just like communicating vessels. It does not matter where you pour water (=electrons) into the system (=ground line), it will balance immediately.
Customer ServiceCombining the 2 gives an "equal/common" ground reference for both circuits too so one isn't floating with respect to the other.. Voltage is a field, it does not flow, it propagates. If the two power supplies share a common ground, or can be made to, then it is no problem.
Anyway, yes, you need a common ground between the battery packs, though preferably the Arduino and the power side of the motor driver have independent wires to the battery packs, and only meet there. @ChrisStratton It's actually a motor controller my bad, it's this one: Sparkfun TB6612FNG.
In a battery the current does not flow back exactly to where it came from but to the separate other pole. The poles are not separate, they are joined by the electrolyte. There is no electrolyte between the positive of one battery and the negative of a completely different battery.
A voltage is a "difference between two points". One of those points can be called "Ground" even if it's in a flying plane. Like the chassis of a car is hooked to the (usually) negative terminal of the battery: the ground connection is common to ALL electronic circuits.
But if the power supply uses a power socket ground, the need for common ground is completely mysterious to me. For circuit 1, why does it matter if some current is lost along the way? For circuit 2, why does it matter if its ground has to sink a little more than the + side of the power supply provides? Hi
What you need to do it join the grounds but in such a way as to keep the ground current flowing from one power supply to its load separate from the current flowing from another power supply to its load. The simplest way is to wire each power supply to its respective load separately, then join the grounds, and only the grounds, at a single point.
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