A, Introduction: DC motor test system consists of power measuring machine, power measuring machine controller, electric parameter measurement, test power supply, operating table and electric cabinet, power measuring machine rack, tooling fixtures, computer and dedicated test software, it can change the load of the measured motor, directly measure the input voltage, current, power and output torque, rotation speed, output power and efficiency of the controller and the input voltage, current, power and efficiency of the controller in the absence of load, load and blocked state of the motor.
II. Parameters test
a) Voltage, current, and power of controller (Voltage, current, and power of controller)
b) Voltage, current, and power of the motor
c) Motor output voltage, current, output power
d) Kɔɔr kɛ̈ɛ̈l, kɔɔr kɛ̈ɛ̈l, kɔɔr kɛ̈ɛ̈l
Third, System Features
1. Sampling time can be set
2.Range, tooth number setting: User setup according to the power meter's corresponding torque measurement and rotation speed tooth disk or optical offset tooth number. 2.Range, tooth number setting: User setup according to the power meter's corresponding torque measurement and rotation speed tooth disk or optical offset tooth number.
3. Hub function: When configuring multiple (≥2) power meters, the hub automatically switches the corresponding signal, avoiding power meter station replacement, often plugging signal ports resulting in operating errors and operating safety. 3. Hub function: when configuring multiple (≥2) power meters, the hub automatically switches the corresponding signal, avoiding power meter station replacement, often plugging signal ports resulting in operating errors and operating safety.
4. Automatic correction, calibration function: në kë de tɛmɛ de manual calibration (ka kɔc cï puɔ̈l, puɔ̈l, puɔ̈l, puɔ̈l) function, kɔc ye luui në ordinatɛr de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer de computer
5.Durable function: According to the test motor requirements, you can set any number of cycles, each time period, load size (including empty load, light load, rated load, overload, blockage, stop etc.) and positive/reverse long-term conditions such as long-term work conditions, and automatically show the set long-term curve and the actual long-term curve operating.
6. Power measurement machine load mode: magnetic excitation mode, fixed torque mode, fixed speed mode, fixed current mode. 6. Power measurement machine load mode: magnetic excitation mode, fixed torque mode, fixed speed mode, fixed current mode. 6. Power measurement machine load mode: magnetic excitation mode, fixed torque mode, fixed speed mode, fixed current mode. PID function ee kɛ̈ɛ̈l ye kɛ̈ɛ̈l ye kɛ̈ɛ̈l ye kɛ̈ɛ̈l ye kɛ̈ɛ̈l ye kɛ̈ɛ̈l ye kɛ̈ɛ̈l ye kɛ̈ɛ̈l ye kɛ̈ɛ̈l.
7.Motor run input output parameter sampling synchronization: input voltage, current, power, power factor, frequency and output torque, rotation speed, input power, efficiency. Ka tɛmɛ sampling synchronous ye tɛmɛ, ka tɛmɛ data ye tɛmɛ.
8.T-n characteristic testing function: For asynchronous motors, T-n characteristic testing has a very important significance, to T-n special curve, you can test the motor's largest, minimum torque, highest efficiency point and so on. T-n characteristic testing function: For asynchronous motors, T-n characteristic testing has a very important significance, to T-n characteristic curve, you can test the motor's largest, minimum torque, highest efficiency point and so on.
9, Power Measurement Machine Loading Method: Ka fara traditional manual magnetic stimulation loading method, the system has several automatic loading methods: fixed magnetic stimulation incremental loading method, fixed torque incremental loading method, fixed speed incremental loading method, fixed torque loading method, fixed speed loading method and fixed slope loading method.
10, curve drawing and fitting function: The system can meet the user's test requirements for various motors, various test items, and draw various parameter characteristics original curve, fit the curve, and automatically generate empty point parameters (current, rotation speed), maximum torque point parameters (voltage, current, rotation speed, efficiency, output power), maximum efficiency point parameters (rotation speed, torque, current, output power) and maximum output power point parameters (rotation speed, torque, current, output power).
11, Rapport and query function: a lëu bï curves juëc ya looi në koordinate töŋ yic, ku bï kɔc kɔ̈k ya gam në kë de kä ye kek looi, ku bï kek ya gam në kë de kä ye kek looi.
12, a tɛmɛ a tɛmɛ a tɛmɛ a tɛmɛ a tɛmɛ a tɛmɛ a tɛmɛ a tɛmɛ a tɛmɛ a tɛmɛ a tɛmɛ a tɛmɛ a tɛmɛ
(3) Module unit (wala instrument) self-inspection: Open software user can automatically enter the self-inspection function, to each instrument, unit according to their own inspection. (3) Module unit (wala instrument) self-inspection: Open software user can automatically enter the self-inspection function, to each instrument, unit according to their own inspection.
13.System has a strong anti-interference capability: System adopts multiple layers rich electromagnetic compatibility design, specially adapted to the site's harsh environment. 13.System has a strong anti-interference capability: System adopts multiple layers rich electromagnetic compatibility design, specially adapted to the site's harsh environment.
14.System accuracy consistency, repeatability: The repeatability of power measuring machine system accuracy is the most important indicator of measuring the entire set of system accuracy, if not repeatability, accuracy will not have any meaning.
15, tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ t
4.Automatic Slope Loading 5.Durable Testing 6.Failure Point Testing (Optional)
Power measuring machine controller be kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r Kä ye kek tɔ̈ɔ̈u në luɔɔi de koor ye kek tɔ̈ɔ̈u në luɔɔi de koor ye kek tɔ̈ɔ̈u në luɔɔi de koor ye kek tɔ̈ɔ̈u në luɔɔi de koor ye kek tɔ̈ɔ̈u në luɔɔi de koor ye kek tɔ̈ɔ̈u në luɔɔi

Testing function	Paramɛtɛɛr kɛ̈ɛ̈r/tɛ̈ɛ̈r-tɛ̈ɛ̈r-tɛ̈ɛ̈r-tɛ̈ɛ̈r-tɛ̈ɛ̈r-tɛ̈ɛ̈r-tɛ̈ɛ̈r-tɛ̈ɛ̈r-tɛ̈ɛ̈r-tɛ̈ɛ̈r-tɛ̈ɛ̈r-tɛ̈ɛ̈r	Kommentar
Testi Load	Load speed (n), load torque (M), load output power (P)
Manual Magnetic Load Test	Load speed (n), load torque (M) Load output power (P), excitation current value (I) (Kä ye kek looi, kä ye kek looi, kä ye kek looi, kä ye kek looi, kä ye kek looi, kä ye kek looi, kä ye kek looi)
Automatic slope load test	Load speed (n), load torque (M), load output power (P) Magnetic Current Value (I), Automatic Slope Load Full Offset (AEC_M) Automatic Slope Loading Time (AEC_T)
Test de vitesse de rotation	Load speed (n), load torque (M), load output power (P) Lɔ̈ɔ̈m ye rot looi (SET_N) Fixed point coefficient (ratio P, integral I, differential D) ye kɛ̈l ye kɛ̈l ye kɛ̈l ye kɛ̈l ye kɛ̈l ye kɛ̈l ye kɛ̈l	A wïc ba circuit control coefficients ya looi tënë motɛr juëc
Tɛstɛr torque	Load speed (n), load torque (M), load output power (P) Lɔ̈ɔ̈ŋ ye rot looi (SET_M) Fixed point coefficient (ratio P, integral I, differential D) ye kɛ̈l ye kɛ̈l ye kɛ̈l ye kɛ̈l ye kɛ̈l ye kɛ̈l ye kɛ̈l
Testing ye dɔ̈ŋ	Load speed (n), load torque (M), load output power (P) Lɔ̈ɔ̈m ye kɔc cï gam (Num), Lɔ̈ɔ̈m ye kɔc cï gam (ALARM_D)	Luɔi ë rot ë rot ë rot ë rot ë rot ë rot ë rot ë rot ë rot ë rot ë rot ë rot ë rot ë rot ë rot ë rot ë rot ë rot
Testing ye kɛ̈l	Load speed (n), load torque (M), load output power (P) Failure Value, Automatic Slope Loading Time (AEC_T) Automatic slope load full deviation (AEC_M) ye looi	Luɔi kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l

RS232 interface, lëu bï kɔmpiöta ya looi
Lɔ̈ɔ̈m de Speed Feedback (PID) ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈