Reading a motor curve
WebDec 6, 2013 · Fig. 1: The graph shows motor performance at an initial temperature of 25°C. Fig. 2: A comparison of motor performance at the initial 25°C level and at an elevated … WebReading BHp Curve. 0 0.5 1 1.5 2 2.5 3 3.5 0 5 10 15 20 25 30 35 40 45 CFM x 100 Pressure 700 RPM. 350 RPM. Operating Point. at 700 RP. M Operating Point. at 350 RP. M. Varying Operating Points. Large change in Ps . Small change in CFM. Small change in Ps . Large change in CFM. CFM. Ps. Selecting Point of Operation. Ps. Operating Point. Optimum
Reading a motor curve
Did you know?
WebOct 8, 2024 · An example is shown below. The torque-speed curve is similar for all centrifugal pumps due to simple math: the pump torque varies as the square of its speed. However, when the pump is at rest—0% full load speed—the full load torque is never also 0%. Starting a rotating pump requires the motor to overcome the pump inertia and static … WebEvery circuit breaker has a characteristic curve that reports the manner in which it trips. As this curve is reporting the amount of current vs time, it is a...
WebWork is quantified in joules (Nm) or foot-pounds. Torqueis a rotating force produced by a motor’s crankshaft. The more torque the motor produces, the greater is its ability to perform work. Since torque is a vector acting in a … WebTo understand centrifugal pump performance, we need to understand the pump curve. This video explains how to read these charts so we can understand how to assess or improve …
WebSo let’s convert that RPM to RPS (seconds) by multiplying it with the circumference (which has a radius/length of 1). Then convert minutes to seconds by dividing by 60. Voila, we … WebDec 6, 2013 · Fig. 1: The graph shows motor performance at an initial temperature of 25°C. Fig. 2: A comparison of motor performance at the initial 25°C level and at an elevated temperature of 125°C shows a marked decrease in current and torque. Fig. 3: This graph shows how the maximum power is impacted by elevated temperature.
WebHow to read the characteristic curve. To each Torque value corresponds a value of current and speed. Every point, corresponding to a specific load is located on an ideal, vertical …
A motor / gear motor performance curve conveys five specific parameters; speed, torque, current draw, power and efficiency. The overall performance data will illustrate the optimal conditions the motor should operate at as well as its limitations. This information can be used to determine if the motor will be … See more Now that we have covered the basics, you can begin to understand what the lines and numbers represent. The performance curve below is a more detailed performance representation for a typical dc gear motor. We will … See more Electric motorshave two types of usage which are defined by torque capacity in which they are operating at. These ranges are meant to depict the overall safe operating limits of the … See more We hope that this explanation has helped you get more familiar with motor and gear motor performance curves. Not all vendors or manufacturers will offer all of the motor data so if a certain parameter is missing, please … See more earth cleanserWebThe curve shows that the circuit breaker’s tripping time reduces with an increase in the current. The first curve in the graph shows the response of a thermal trip unit. While the magnetic region shows the response of the solenoid to fault current such as … earth clean songWebMay 26, 2024 · Curves typically include performance metrics based on pressure, flow, horsepower, impeller trim, and Net Positive Suction Head Required (NPSHr). Centrifugal … earth cleaning friendly productsWebNov 7, 2013 · The “hot” motor curve demonstrates how much the performance can change when operating the motor at an elevated temperature. The graph illustrates changes in … earth cleanersWebA motor should be rated continuous duty if it operates at full load for 60 minutes or more in any 24 hour period. If the motor operates less than 60 minutes, it may be given an intermittent duty rating or a short time rating. In either case, the time designated is that time which will elapse before the motor reaches full operating temperature. 7. earth cleaning products australiaWebMay 13, 2015 · You are considering it from an electrical engineering perspective. Speed vs torque. It's more a digital motor with a rotor position that can be easily controlled (read head on floppy drives). It is a brushless motor and its strongest torque (traction or holding) occurs when the coils are energized. They have fractional hp ratings (>34.3 mN·m). earth cleansing malachiteWebTo understand centrifugal pump performance, we need to understand the pump curve. This video explains how to read these charts so we can understand how to assess or improve our pumping systems... earth cleaning products