discount 70% in 2018-07-17 to 2018-07-19
price: USD$ 398.30
freight :USD$7.00,(Postal parcel)
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Main uses and suitable ranges
The isolation voltage regulator has no waveform distortion, small volume, light weight, high efficiency, easy to use, reliable, long-term operation and other characteristics, can be widely used in the industry (such as chemical, metallurgy, instrumentation, machinery manufacturing, light industry etc.), scientific experiments, utilities, household appliances. In order to realize voltage regulation, temperature control and speed regulation. Dimming, power control and other purposes, is an ideal, is an ideal AC voltage regulator power supply.
1.2 product standards: JB/T10091; Q/ZT130
Normal working conditions and installation conditions
The regulator is in line condition and can work reliably.
1. Environmental temperature:
A the highest temperature is +40 centigrade,
The highest daily average temperature is +20 B
C minimum temperature -5;
The highest annual average temperature of D is +20 centigrade,
2.2, elevation: regulator installation site elevation is not more than 1000 meters
2.3. The relative humidity of air: the monthly relative humidity of the wettest month is 90%, and the average temperature of the month is 25;
2.4, power voltage waveform: power supply voltage waveform is sine wave or approximate sine wave;
2.5, the installation site does not seriously affect the insulation of the regulator gas, steam, chemical deposition, dust, dirt and other explosive and corrosive media; 2.6, the installation site should be no serious vibration and bumps;
2.7, indoor use;
2.8, no parallel use.
The special use conditions which are not in conformity with the above provisions shall be determined by consultation between the employing units and the manufacturing units
Form and basic parameters
3. isolation pressure regulator insulation level; voltage regulator A insulation coil average value is 60K vins
4 basic principle and main structure
4.1, the basic principle: the pressure regulator is the turn ratio of the autotransformer is continuously adjustable, when the voltage regulator by acting with handwheel spindle and brush frame, polished surface sliding along the ring when you can continuously change the turn ratio, so that the output voltage is smoothly regulated from zero to maximum
4.2 main structure
4.21 the main structure of the unit structure: single phase 0.2KVA, 10KVA pressure regulator pressure regulator unit structure, an upper surface with a certain width of the polished surface of the coil is fixed on the project base, polished surface contact brush contact group in the spring under the pressure and the coil, the hand wheel is rotated to drive the brush online circle on the surface of polished sliding pressure regulating unit, pressure regulator for desktop, outside the protective ventilation hood
The winding connection of single-phase voltage regulator is as follows1 shows
Single phase assembly structure: single phase large capacity voltage regulator is assembled by several units with the same specifications, and the brush contacts of each unit are assembled in the same one
In the main shaft, the input end of the coil is connected in parallel, and the output end is connected with the balance reactor to balance the current distribution between the units and restrain the circulation.
The winding connection of single phase large capacity voltage regulator is as follows2-3 shows
Three phase assembly structure: three phase voltage regulator is assembled by three coaxial units with the same specifications. The winding is connected to a star
The brush structure: 3KVA and the following unit regulator, with 1 to 2 pieces of graphite brush and a metal frame with good heat radiation, 4KVA and above the unit regulator, with two pieces of copper graphite composite brush plate, fixing the coil top brush contact group to limit the axial position at the same time, through the screw and spindle lock tight, when it needs an overhaul, replacement of the main shaft or from the pressure regulator at the bottom out of the spindle, just loosen the screws can be conveniently carried out. Installation and maintenance
1, the newly installed or not the long-term regulator must be megger coil insulation resistance of the 500 volt operation, its value is not lower than 5 megohm ~ can be used safely, or shall be heat treatment. The drying method can be used for drying or drying into the drying room. After drying, the fasteners should be checked and loosened. If it is loose, it should be tightened.
5.2. The power supply voltage shall be up to 10% of the rated input voltage on the nameplate of the regulator.
5.3, the regulator must be good grounding, in order to ensure safety.
5.44, should pay attention to the output current shall not exceed the rated value,
If there is a short-term loadIt should not exceed the table
2 of the provisions, otherwise it is easy to reduce the life of the regulator, and even burned.
5.5, the use of slow and uniform rotation handle, so as not to cause damage to the brush or spark.
5.6, should often check the use of voltage regulator, if found excessive brush wear, defects, should be timely exchange of the same specifications of the brush, and zero sandpaper pad under the brush rotating handwheel several times, brush bottom surface grinding, good contact, can be used. Copper graphite composite brush replacement must strictly conform to the specifications.
5.7, the coil and brush accept the surface, often should be kept clean, otherwise easy to cause sparks and burn the coil surface. If the surface of the coil is burnt with black spots, it can be wiped with cotton alcohol (90%) until the surface spots are removed.
5.8, from the power supply connected to the regulator, regulator to the load wire and wire terminal connector should be in good contact, and can pass the regulator rated current.
5.9. When moving the regulator, the handwheel must not be used, or the handle or the whole product will be moved.
5.10, the regulator needs to be mounted on the panel, (only the unit regulator structure) or erected on other bases, can be fixed with the mounting hole of the regulator base.
5.11, the regulator should always keep clean, do not allow water droplets, oil, etc. fall into the regulator, the regulator should power outage, remove the accumulation of dust inside.
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1, the regulator products can not be used in parallel only