Jinan Should Shine Didactic Equipment Co., Ltd. |
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SR6108E Educational Training Equipment Cutaway Models Demonstrational Equipment Didactic Equipment
1 Introduction
Synchronous motor is an AC motor with the same rotating speed as
the stator rotating field. The rotation speed of the rotor is
n=60f/p with the logarithmic p and the power frequency .
The speed n depends on the power frequency f, so the power supply frequency must be constant, the speed is constant, and it has nothing to do with the load. It has the characteristics of high operation stability and overload capacity.
It is often used in multi-machine synchronous transmission system, precision speed control system and large equipment.
2.Technical dadta
voltage:AC 380V
excitation voltage:DC24V
wire photo :
Input port of excitation voltage --DC 24/42v.
3.Synchronous machine structure
The structure of synchronous motor is varied, and the rotor
structure has hidden pole type and salient pole type. The
installation methods include horizontal, suspension,
semi-suspension and vertical.
The synchronous motor is usually composed of stator, rotor, bearing, baseplate, end cover, collector ring and brush frame, and the motor with the protection grade of IP44 is also included in the cooler. A brief description of the above components is given below:
1. Stator
The stator is composed of a stand, a stator coil and an end collar
and supporting part of the stator coil.
1.1 stand
The frame has round stand and square frame (box structure), all
welded by steel plate. The motor of the round machine seat of the
large horizontal installation, the center of the machine can sink,
and the lower part of the seat sometimes sinks to the pit below the
installation plane, so the center of the motor is not limited by
the outer circle size. Square base are commonly used in protective
higher grade of motor, more than the air - air cooling or air -
cooled, cooler on the top of the frame, general motors by the
center core diameter high limit, lower frame is generally not below
the installation plane.
1.2 stator core.
The stator core is composed of a frame and a silicon steel plate in
the frame. The core is divided into internal pressure and external
pressure mounting: the inner pressure is positioned inside the
machine seat, and then the silicon steel sheet is pressed into the
seat, and then the tension screw and the pressure ring are pressed
and fixed on the machine seat. The outer pressure installation is
to make the core frame first, the silicon steel sheet is pressed
into the frame, and the embedded wire is then put into the frame by
the vacuum pressure immersion treatment.
1.3 stator coil
The stator coil is made of an electromagnetic wire with the
corresponding insulation and voltage grade, and the coil can be
inserted into the stator core trough through the turns and the
coils of the ground resistance test. The linear part of the coil is
pressed tightly with the slot wedge. The end part is tightly bound
together with the polyester sleeve coil, the end hoop and the
supporting part. After the coating is processed, the whole stator
becomes a solid whole. The stator coils can be insulated with class
B and F, and the special case is H - class insulation. F is used
for the above 10KV.
Stator coil is the key part of the motor. It is easy to burn the motor due to damage of dirt, moisture and insulation.
The stator lead wire usually has 6 outlet heads and is marked with
U1, V1, W1 and U2, V2 and W2. If it is connected with "Y", then U2,
V2 and W2 will be joined together. If it is connected with "delta",
namely, U2-V1, V2-W1, W2-U1, three wiring heads, the high voltage
motor is usually connected with Y.
2 Rotor
The rotor of the synchronous motor can be divided into two types:
the hidden pole type and the convex one, which are generally made
up of magnetic poles, magnetic yoke, rotating shaft and collector
ring.
2.1 the magnetic poles are divided into implicit and salient poles.
Non-salient pole type magnetic pole is the circumference of a circle is not evenly in rotor slot, made concentric rotor winding coil, embedded in the groove, using metal slot wedge, fixed coil two ends with ring guard banding, the structure of high mechanical strength, good coil heat dissipation, multi-purpose in 1500 turn above the motor. Most of the motors under 1500 RPM are of a convex type magnetic pole.
2.2 the salient pole is composed of magnetic pole, pole coil and
pole screw, and the excitation lead is marked as F1 and F2.
2.2.1 pole core is the use of end plate, rod, rivet pole to pole
plate riveting pressure into the whole, the pole shoe mount damper
bar (starting winding), welding on damping rings on both ends, and
notches in playing the punching core at both ends and the damper
bar clamping to prevent axial moving, can also be used on the
damping of the stretched out on both ends of the core set of brass
to fixed
2.2.3 yoke and axis.
Most of the magnetic yoke is made of cast steel, which is also
welded with steel plates. The diameter is small, and the magnetic
yoke is directly connected with the shaft. The rotating shaft
material is generally made of 45 steel and 35 steel, and the
special case is made of alloy steel.
2.2.4 rotor assembly:
Yoke thermal set on the rotating shaft first, in the pole core pole
wrapping package good insulation, good insulation gasket, set into
the pole coil, mount pole bolt, can be installed on the yoke. Note
when assembling, insulation gasket can't more mat, also cannot
little cushion, cushion the impact more air gap, less cushion may
not tightly on the pole coil. In the case of pole to tighten bolts,
general control pole core and the clearance between the yoke within
0.15 mm, at the same time to pay attention to the distance between
the poles boots to uniform, the axial location to the end of the
pole core level. Spoon fan. Overall varnished, in order to improve
the mechanical strength, moisture and heat dissipation performance.
The rotor is the heart of the machine, is made up of many parts
assembled, under the effect of electromagnetic force and
centrifugal force at high speed, all the parts and fasteners loose
easily, cause mechanical accident, therefore, all fastener must be
tight when the assembly, and a locking measures, please assemble
and maintenance workers should pay attention to check, found that
the problem should be handled in a timely manner.
Arrange delivery within 45 days upon receipt of payment.
Please see below photo for detailed package.
Training Room Photo
Company Information
We supply professional educational training equipment and technical teaching equipment, which has been widely applied in Engineering Universities, Polytechnics, Technical Institute, Vocational Schools as well as Industry workforce Development Programs and Training Center. Our products allow students to learn and experiment through valuable hands-on experience, and the technology covered by our training equipment provides knowledge, experiments and didactic skills development that are of critical importance to today´s and tomorrow´s careers.
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Service
We supply supply7*24 hours service, customer design service, OEM service, buyer label service. With professional engineers team and sales team, we assure you good product quality.
Certificate
Our products takes ISO9001 product management system.
No. | Feature Name | Details |
1 | Customer design | Yes |
2 | Warranty | 1 year, 2 years, 3 years or 5 years according to client requirements |
3 | Package | Plastic film+ carton+ Fine plywood |
4 | Products standard | International didactic equipment standard |
5 | Application range | Educational equipment for university, college, vocational training centers |
6 | Company philosophy | Supply best quality Chinese products to the worldwide schools. |
7 | Self owned brand | Shouldshine, SSEDU, JSS. |
8 | Production time | From 10 days to 60 days according to different items |