Parallel connections have multiple wires running parallel to each other (hence the name), and can transmit data on all the wires simultaneously. Serial, on the other hand, uses a single wire to transfer the data bits one at a time. What are Parallel and Series Connections? Parallel connections and series connections are the two different orientations for joining battery cells (or any electronics, for that matter). It is absolutely critical that you understand the difference between parallel and series connections before you begin building your battery. If not, you could. Series Connections – this type of connection is used when you need to increase the voltage of your battery bank. You will find these types of battery connections in all types of battery banks including 12 volt, 24 volt, 48 volt systems. The connections in this type of battery bank are different than parallel. Data Transmission – Parallel vs Serial. What is data transmission? Data transmission refers to the process of transferring data between two or more digital devices. Data is transmitted from one device to another in analog or digital format. Basically, data transmission enables devices or components within devices to speak to each other.
For pumps connected in serial - add head, for pumps connected in parallel - add flowrates
Summary – Serial vs Parallel Communication. Both serial and parallel communication are two types of data transmission. The difference between Serial and Parallel Communication is that in serial communication, the data transmission occurs bit by bit at a time while in parallel communication, it is multiple bits transmission. A circuit composed solely of components connected in series is known as a series circuit; likewise, one connected completely in parallel is known as a parallel circuit.
Pumps can be arranged and connected in serial or parallel to provide additional head or flow rate capacity.
Pumps in Serial - Head Added
When two (or more) pumps are arranged in serial their resulting pump performance curve is obtained by adding their heads at the same flow rate as indicated in the figure below.
Centrifugal pumps in series are used to overcome larger system head loss than one pump can handle alone.
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With a constant flowrate the combined head moves from 1 to 2 - BUT in practice the combined head and flow rate moves along the system curve to point 3.
Note that for two pumps with equal performance curves running in series
Operation of single stage pumps in series are seldom encountered - more often multistage centrifugal pumps are used.
Pumps in Parallel - Flow Rate Added
When two or more pumps are arranged in parallel their resulting performance curve is obtained by adding the pumps flow rates at the same head as indicated in the figure below.
Centrifugal pumps in parallel are used to overcome larger volume flows than one pump can handle alone.
Note! In practice the combined head and volume flow moves along the system curve as indicated from 1 to 3.
In practice, if one of the pumps in parallel or series stops, the operation point moves along the system resistance curve from point 3 to point 1 - the head and flow rate are decreased.
Note that for two pumps with equal performance curves running in parallel Download dll files free.
Note - for parallel operation
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