Break in the motor if you have a nitro car by taking it outside for a few hours when you first install the engine. Remove the body from the car and run it around the yard for a few hours at a lower speed. Continue running it at slow speeds until you run through at least two tanks of fuel. This allows the carburetor to warm up to faster speeds and clears out the engine.

Check the gears and any part inside the RC car that rotates to make sure they’re moving correctly and moving freely. Even one part that moves too slow or gets stuck will cause your car to slow down dramatically. If you see anything moving incorrectly, clean it carefully with compressed air and replace it if needed.

Spend some time practicing the handling of your car out on the track. If you want your electric moter  to go faster, then you probably plan on racing it or you’ve been racing it. The winner of the race isn’t necessarily the person with the best car, but the person who has the best handling car and can best tackle the track. Find ways to get around the track easier and you’ll get faster lap times.

Electric Motor

The growing shortage of energy today, how best to use a variety of energy existing in nature as human beings of disposable energy has become the world’s scientists to study one of the topics.

Recently, a company called AWS Ocean Energy of the British company had developed a underwater buoys to generate electricity through the device. The Electric Motor ups and downs of the waves generated by the use of the different pressure to generate electricity. As we all know, pressure is directly proportional to the size of the change with water depth, then when the waves rise, the pressure will increase, thus oppression underwater buoys, and when the waves decreases, the pressure will decrease. And The Electric Motor is the use of such a change in water pressure back and forth to achieve the purpose of energy generation. Moreover, in the sea, this movement took place at the moment but does not stand still, so humans can be said to absolute recyclable clean energy.

According to company managers to disclose "in a half square kilometers of riverbed placed within the 100 such buoys Electric Motor can supply a town of 55,000 people’s electricity consumption." The company will launch next year in Scotland’s waters five buoys used for testing, if the results are satisfactory, will soon become widespread within the UK.

Keywords: Electric Motor

Electric Motor

In recent years, Zhejiang Province, Taizhou Bridge Electric Motor industry is developing rapidly, and gradually become the country’s small-scale rotary Electric Motor Manufacturing of important areas. Electric Motor Industry in order to further standardize the market competition order, improve product quality, road and bridge leading Quality Supervision Branch Electric Motor Industry Association has developed standards for energy-saving alliance, and in December 2008 through the review.

Alliance to Save Energy Electric Motor standard is the first regional alliance Luqiao standards, first implemented, the Bridge Branch of Quality Supervision Publicizing increased efforts to actively guide the area Electric Motor manufacturers improve production conditions, to guide and help enterprises to establish and improve standards of system, and actively mobilize and urge enterprises to organize production according to union standards. The Luqiao Bureau vigorous promotion by far, 15 companies are now using to implement, and another five are on the conditions of production equipment and technology upgrading in.

Bridge Quality Supervision Branch Lead Electric Motor Industry Association has developed standards for energy-saving alliance. This is also the first regional alliance Luqiao standards, road and bridge of the Electric Motor is expected to bring new opportunities for industrial development.

Electric Motor Energy Union, the beginning of the implementation of standards, road and bridge quality and technical supervision bureau will increase Publicizing efforts to actively guide the area Electric Motor manufacturers improve production conditions, to guide and help enterprises to establish and improve the standard system, actively mobilize and urge enterprises on Alliance standard to organize production.

Keywords: Electric Motor

]]> http://www.doit-machinery.com/blog/electric-motor-energy/feed/ 0 http://www.doit-machinery.com/blog/torque-electric-motor/ http://www.doit-machinery.com/blog/torque-electric-motor/#comments Thu, 25 Feb 2010 08:17:21 +0000 admin http://www.doit-machinery.com/blog/?p=33 Continue reading →]]> Electric Motor

The so-called torque Electric Motor is a kind of flat-type multi-pole permanent magnet DC motor. Have more of its armature slot number, change to the piece number and the number of series conductors to reduce the torque ripple and speed ripple. Torque Electric Motor with DC Torque Electric Motor Torque Electric Motor and the exchange of two kinds. Among them, DC Electric Motor moment of self-inductance reactance is small, so response is very good; its output torque and input current is proportional to the rotor speed and position-independent; it can be close to locked rotor condition and the load connected directly to low-speed operation without gear, so the load axis can produce a high torque of the inertia ratio, and can eliminate the use of reduction gear systematic errors arising. AC Electric Motor torque can also be divided into synchronous and asynchronous are two types of commonly used at present is the squirrel-cage asynchronous torque Electric Motor, it has a low speed and high torque characteristics. In general, frequently used in the textile industry in the exchange of torque Electric Motor, its working principle and the structure and the same single-phase induction motors, but due to the resistance of large cage-type rotor, so its mechanical properties than soft. Vibration Electric Motor common vibration fault is well known, Electric Motor structure contains both electrical and mechanical two parts, it can be said that a combination of electrical and mechanical point. Therefore, it is the failure 要一分为二 analysis. Of Electric Motor Vibration cause of the malfunction should be divided into two parts. In general, Electric Motor vibration is due to unbalanced rotating parts of a mechanical failure or electromagnetic aspects of causes.

Electric Motor

China Taizhou Net News (Correspondent Kim Zong Bing) the morning of February 20 the Iranian businessmen to Leo AG Hall orders. Wenling City, Zhejiang Province, held the same day a three-day “2010 Fourth China (Wenling) Pumps and Electric Motor Expo”, from nearly 400 Pumps and Electric Motor exhibiting companies, 15 countries, Wenling businessmen to come to order.

Keywords:Electric Motor                                                                                          Author: Jin Zong Bing Editor: Yan Qi

Electric Motor

(002196) notice of the amendment Results Announcement

Security Code: 002,196 Securities and short: Founder Electric Motor Notice No. :2010-001
Zhejiang Founder Electric Motor Co., Ltd.
Performance notice to amend Announcement

1, the projected 2009 annual results
1, performance during the notice
January 1, 2009 -2009 year December 31
2, the previous notice of the disclosure of performance and anticipated performance of the time
Previous notice of the disclosure of detailed performance October 23, 2009 "Zhejiang Founder Electric Motor Co., Ltd.
2009 Third Quarter Report "(has been published in the" Securities Times "and the huge influx of information network), is expected to 2009
Years of ownership the owner of the parent company’s net profit a year earlier, compared with 50% -70% down.
3, revised the projected financial performance
Ownership of the parent company expects 2009 net profit of the owner, compared with a year earlier, down 60% -80%.
4, performance with or without notice to the pre-audit of Certified Public Accountants: No.
Second, a year earlier, the performance
1, the owner of the net profit attributable to parent company: 17,006,492.06 yuan
2, the basic earnings per share: 0.22 yuan
Third, notice the performance differences between the
The main reasons for performance variance notice: In order to respond to market competition, since the fourth quarter, part of the company products
The Company and its directors, supervisors and senior management personnel to ensure notice are true, accurate and
Integrity, and notice the false records, misleading statements or material omissions responsibility.

Keywords: Electric Motor

For Single phase Motor can automatically rotate together, we can add a starter in the stator winding, starting winding with the primary winding of a 90-degree difference in space, starting winding to series with a suitable capacitor, making the main winding current in the on the approximate 90-degree phase difference, namely, the so-called phase separation principle. This two 90-degree difference in time flow of electricity in space into two 90-degree difference between the windings will be generated in space (two phase) rotating magnetic field, as shown in Figure 2. In this rotating magnetic field, the rotor will be able to automatic starting, starting and after the rise to a certain speed when installed in the rotor by means of a centrifugal switch or other automatic device will disconnect the start winding, normal working hours only the main winding工作. Therefore, the start winding can be made into short-term work. But there are a lot of time, start winding is not broken, and we call this motor for use in capacitive Single phase Motor, to change the motor turn, can be concatenated to change the location of capacitors to achieve.

In the Single phase Motor, the rotating magnetic field produced an alternative method, known as shaded pole method, also known as single-phase shaded pole motors. Such motor stator made of Salient-pole, there are two kinds of poles and four pole. Each magnetic pole in the all-pole surface of the open 1/3–1/4 a small trough, the magnetic pole is divided into two parts, in small part, set on a short-circuit copper rings, as if this part of the poles cover up as well, so called shaded pole motors. Single-phase winding sets in the whole magnetic poles, each pole coil is in series, the connection must be followed to produce according to the polarity of N, S, N, S arrangement. When the stator windings power after the main magnetic flux generated in the magnetic poles, according to Lenz’s law, in which the main magnetic flux through the short-circuit copper ring in the copper rings generated within a 90-degree phase lag behind the induced current, this current is generated by magnetic pass the phase lag is also on the main magnetic flux, and its role and start the motor winding capacitance equivalent resulting rotating magnetic field so that motor rotation up.

Keywords: Single phase Motor

Keywords: Three-phase Motor, Electric Motor, Generator

1, Electric Motor does not rotate after power, but no abnormal sound, nor smell, and smoke.

1. ① Power Fault not pass (at least for two-phase did not pass); ② fuse fuse (at least two-phase fuse); ③ overcurrent relays adjusted too small; ④ control equipment, wiring error.

2. Troubleshooting ① Check the power circuit switch, fuse, junction box at whether there is a breakpoint, repair; ② check the fuse model, fuse reasons, new ones fuse; ③ conditioning relay setting values and Electric Motor with; ④ correct wiring.

Second, after the Electric Motor power does not turn, and then fuse blown

1. Fault ① lack of a-phase power, or fixed access lines ring a contrast; ② white short-circuit of stator windings; ③ stator winding ground; ④ stator winding connection errors; ⑤ fuse cross-section is too small; ⑤ power line short circuit or grounding.

2. Troubleshooting ① Check Knife whether there is a phase not Hehao can break the power circuit has one phase; elimination of reverse fault; ② identify short-circuit point, be restored; ③ Elimination of grounding; ④ mistakenly identified then be corrected; ⑤ replacement fuse; ③ eliminate ground.

Third, after the Electric Motor power does not turn a hum

l. Cause of the malfunction ① stator and rotor windings are open circuit (one phase disconnection), or a relative loss of electrical power; ② winding Lead-out wrong or circumstances leading to termination within the next anti-winding; ③ loose the power circuit contacts, contact resistance of large; ④ Electric Motor load off large or rotor jammed; ⑤ supply voltage is too low; ⑥ Small Electric Motor assembly too tight or the bearing grease perfect; ⑦ bearings jammed.

2. ① troubleshooting to pinpoint a break to be repaired; ② check the winding polarity; to determine the end winding is correct; ③ fastening screws loose wiring, use multimeter to determine whether the false joints then be repaired; ④ load shedding, or to identify and eliminate mechanical failure, ⑤ check is also required for the surface Connection misconnection Y; it because the power wire too small so that drop is too large to be corrected, ⑥ re-assembly to make it flexible; replacement of qualified oils and fats; ⑦ repair bearings.

4, Electric Motor starting difficulties, rated load, Electric Motor speed below the rated speed more

1. Cause of the malfunction ① supply voltage is too low; ② Surface Connection for motor misconnection Y; ③ open cage type rotor welding or broken; ④ partial stator and rotor coils wrongly, then the anti; ③ repair motor windings, increase the number of turns too much; ⑤ motor overload.

2. Troubleshooting ① measurements of supply voltages, trying to improve; ② correct access method; ③ check welding and break open and repair; ④ mistakenly identified then Office, to be corrected; ⑤ to restore the correct number of turns; ⑥ Load Shedding.

5, Electric Motor no-load current imbalance, phase difference between the large

1. ① weight around the cause of the malfunction, the three-phase stator winding turns are not equal; ② beginning and end winding fault termination; ③ Supply voltage unbalance; ④ there winding inter-turn short circuit, coil reverse fault.

2. Troubleshooting ① re-winding around the development of the child; ② check and correct; ③ measurements of supply voltages, try to eliminate imbalances; ④ In addition to winding fault Qiao.

6, Electric Motor no-load, over load, the ammeter pointer instability, oscillating

1. Cause of the malfunction ① Cage Rotor of open or broken bars welded; ② Wound rotor failure (one phase open circuit) or a brush, slip ring short-circuit device being exposed.

2. Troubleshooting ① found to repair or replacement of broken rotor; ② Check Raozhuan sub-loop and fix them.

7, Electric Motor no-load current balance, but the value of large

1. Fault ① repair, stator winding turns to reduce excessive; ② Power supply voltage is too high; ③ Y then mistakenly take for the Electric Motor Δ; ④ motor assembly, the rotor mounted anti-, so that the stator core are not aligned, the effective length of the shortened ; ⑤ air gap is too large or uneven; ⑥ overhaul down the winding, the use of hot-split method properly, so that core burning.

2. Troubleshooting ① rewind the stator windings, to restore the correct number of turns; ② to restore rated voltage; ③ divert the Y; ④ re-assembly; ③ replaced with new rotors or adjusting the air gap; ⑤ repair or re-calculation of core winding, and appropriately increase turns number.

8, Electric Motor running noise is not normal, abnormal sound

1. Cause of the malfunction ① rotor and stator insulation paper or wedge-phase rubbing; ② bearing wear or oil sand and other foreign bodies inside; ③ loosening of the stator and rotor iron core; ④ bearing short of oil; ⑤ packing or fan duct cleaning air cover, ⑥ stator and rotor core phase rub; ⑦ supply voltage is too high or unbalanced; ⑧ pick the wrong, or short-circuit the stator winding.

2. Troubleshooting ① trim insulation, low-cut wedge; ② to replace bearings or clean bearings; ③ Maintenance of stator and rotor iron core; ④ refueling; ⑤ clean air duct; re security devices; ⑥ to eliminate scratches, if necessary, inside the small rotor; ⑦ Check and adjust the supply voltage; ⑧ elimination of stator winding faults.

9, running in the Electric Motor Vibration of a larger

1. Cause of the malfunction ① bearing clearance due to wear and tear is too large; ② non-uniform air gap; ③ rotor imbalance; ④ shaft bending; ⑤ core deformation or loose; ⑥ coupling (pulley) Center uncorrected; ⑦ fan imbalance; ⑧ machine shell or the basic strength is not enough; ⑨ Electric Motor ground pin screw loose; ⑩ welding cage type rotor open circuit; wound rotor circuit; plus stator winding faults.

2. Troubleshooting ① maintenance bearings, if necessary, replaced; ② to adjust the air gap, so that uniform; ③ correction rotor balancing; ④ straightening shaft; ⑤ correction overlapping cores, ⑥ re-calibration, so that compliance; ⑦ fan maintenance, calibration balance, to correct its geometry; ⑧ reinforcement; ⑨ ground pin fastening screw; ⑩ repair rotor winding; fixed stator windings.

10, bearing overheating

1. Cause of the malfunction ① grease too much or too little; ② oily impurities bad; ③ bearings and journal or the cover mis-match (too loose or too tight); ④ bearing bore eccentric, and shaft relative to wipe; ⑤ Electric Motor cover or the bearing cap is not mounted flat; ⑥ Electric Motor and load coupling between the uncorrected or the belt too tight; ⑦ bearing clearance too large or too small; ⑧ Electric Motor shaft bent.

2. Troubleshooting ① accordance with the regulations plus grease (volume 1/3-2/3); ② replacement of clean grease lubrication; ③ too loose binder available repair, too tight to be turning, grinding, or cover the hole journal to fit; ④ repair bearing caps, eliminating rubbing points; ⑤ re-assembly; ⑥ re-calibration, adjust the belt tension; ⑦ replaced with new bearings; ⑧ correction or replacement of the rotor motor shaft.

11, Electric Motor overheating or smoke

1. Fault ① supply voltage is too high, so that a significant increase in core heat; ② supply voltage is too low, Electric Motor brings rated load operation, the Ambassador of winding heating-current; ③ winding removed during repairs, improper use of hot-split method, burn core ; ④ the stator and rotor iron core relative to wipe; ⑤ Electric Motor overload or frequent starting; ⑥ cage type rotor broken bars; ⑦ Electric Motor lack of phase, two-phase operation; ⑧ After the re-scheduled for winding around the Impregnating inadequate; ⑨ environmental temperatures are high Electric Motor surface dirt and more or ventilation Road congestion; ⑩ Electric Motor fan failure, poor ventilation; stator winding fault (white, turn to turn short circuit; stator windings internal connection error).

2. Troubleshooting ① lower supply voltage (such as adjusting the power supply transformer tap), if the motor Y, Δ-connection caused an error should be corrected then France; ② to improve power supply or exchange of crude supply conductor; ③ core maintenance, troubleshooting ; ④ to eliminate rubbing points (to adjust air gap or-down vehicle rotor); ⑤ load shedding; according to the required number of control start; ⑥ check and eliminate the rotor winding fault; ⑦ to restore three-phase operation; ⑧ use of secondary and Vacuum Impregnating Impregnating process; ⑨ Cleaning Electric Motor, to improve the environment temperature, using cooling measures; ⑩ check and fix the fan, if necessary, replaced; overhaul stator windings to eliminate failure.

Single phase Motor is a small machine tools, medical equipment, electric tools and household appliances such as power machinery, its application is extremely broad. The correct choice and rational use of these types of complex, specification range of Single phase Motor is very important, and it is directly related to the safe operation of electrical equipment and economic benefits. Single phase Motor selection should include the motor type, protective shell type, rated voltage, rated power, rated speed and the performance, etc. Among them, the power to choose the most important.

Motor power of the principle of choice should be the motor mechanical load requirements can be met under the precondition of the most rational way to determine the most economical size of the motor power. If the power of the election too big, not only investment in equipment costs, but also by electric motors often run to light-load power factor reduced; the other hand, such as power selected too small, the electric motor to run long-term overload, making motor temperature increased to shorten the aging of insulation Electrical service life; and there are likely difficulties and withstand the impact of motor starting of the load and so on. Therefore, we must carefully and correctly, reasonable choice of Single phase Motor power.

Keywords: Single phase Motor