Cummins Engine Diesel Generator with Light Tower Low-noise 25kva -2000kva
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 set
- Supply Capability:
- 1000 set/month
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Cummins Engine Diesel Generator with Light Tower 50hz or 60hz low-noise 25-2000kva
Briefe performance of silent diesel generator set
1)High quality, steady and reliable performance
2)Blow 71dB at 7 meter
3) Perfect Maneuverability
4) Wide Application
Engine:
Manufacturer | CUMMINS | |
Model | 4B3.9-G2 | |
Cylinder and cycle type | 4 cylinders in line, 4 strokes | |
Aspiration and cooling | Turbocharged and after cooled | |
Displacement | 3.9 L | |
Bore×Stroke | 102×120 mm | |
Compression ratio | 16.5:1 | |
Rated speed | 1500 rpm | |
Governor | Electronic | |
Oil capacity | 10.9 L | |
Prime power | 24kW | |
Standby power | 26.4kW | |
Fuel consumption | 6.0L/H (100% Load) | 4.7L/H (75% Load) |
Coolant capacity | 7.2 L | |
Start system | DC 24V | |
Alternator Specifications：
Manufacturer | STAMFORD |
Model | PI144E |
Type | Single bearing，4-pole，AC brushless and self-exciting |
Frequency | 50 Hz |
Power Factor | cosΦ=0.8 |
Phase | 3 |
Voltage | 400/230 V |
Capacity | 20kW/25kVA |
Insulation class | H |
Protection class | IP23 |
Elevation | ≤1000m |
Control system:
Optional: DSE or Smartgen
Manufacturer: SNARTGEN
MODEL: HGM6120KC
HGM6120KC Control System is mainly used in generating supervising and control of land type diesel generator set and the switching between diesel generator set and city electricity supply. It is combined with digitalization, intelligence and network and capable of generator start and stop, generator data supervising and testing, protection alarm, city electricity supply quality supervising and starting generator automatically when power failure happens or city electricity supply is beside the set point.
Light tower generator set :
- Q:Would it be used in factories, Cars, some household appliances stuff like that
- AC induction motors are mostly higher power AC motors. DC motors cannot use induction. From about the half horsepower motors and up induction is the standard. Think in terms of air conditioners, pool pumps, and anything that makes your electric bill soar.
- Q:I would like to ask how to have a reverse rotation, but the forward rotation still be active... For instance forward rotation will take place at sometime, then after 5 hours reverse rotation will take place... vice versa... How can I do this?
- The easiest way is to use a 3 phase motor. Use one, 3 position switch. with the switch all the way to one side motor going forward, middle position is off, last position is reverse. you will also need two starters. The only difference is that on the input side of the starters, on one starter, two of the wires are in different positions than the other starter.
- Q:AC motors are designed to operate at +/- ____ Percent of their rated potential difference, and +/- _____ percent of their rated frequency?
- To approach the question the way it is asked would be to say few. Only synchronous A/C motors operate at a fixed speed based on the number of poles and the frequency of the power supply. A synchronous speed can be in increments of 3600 RPM or 2500 RPM depending on the frequency. Induction A/C motors will operate at the synchronous speed when there is no applied load and will begin to slow down slightly as load is applied. That slip is usually around 2- 3% when the nominal design horsepower is produced. . For example, an 1800 RPM synchronous motor will operate at 1800 RPM when fully loaded. A common induction motor will operate between 1800 and 1750 RPM. Most motors are manufactured to specific horsepower ratings at their design speeds and so cataloged. When a device needs a motor and it's design horsepower is known, the motor selected will be the next larger size. For instance a direct drive pump may be rated at 17.5 horsepower non-overloading (maximum) at 1750 RPM. There are no standard motors made to that specific horsepower so a 20 horsepower motor will be selected and will run efficiently at that partial load. Depending on the motor cooling system and the motor wiring insulation design, some will have transient service factors of 10-15% above the full load rating, but prolonged operation in an overloaded condition will shorten the motor life. In the larger sizes, motors can be custom built to closely match a non-standard horsepower within the normal speed range.
- Q:How can direct current drive AC motors?
- Originally 24V battery driven 120W motor, want to use alternating current drive, need a AC/DC power.Buy a AC220V/DC24V 10A (big, expensive, how many, but safe) switching power supply.If you do it yourself, buy a 220V/12V 150-200W transformer, a 10A rectifier bridge, a heat sink, and a few 50V4700uF filter capacitors. Transformer voltage transformer to 12V, rectifier, filter, DC 24V.
- Q:hw! Is it possible to run an AC motor mith a battery without using an inverter? How? plzz!?
- Nothing is impossible!!! Buy a DC motor and 2nd AC motor. Connect battery to DC motor. Connect DC motor to 2nd AC motor. Connect 2nd AC motor to your 1st AC motor. It is less efficient due to mechanical lost. No inverter used ;-)
- Q:My motor is designed for 40deg ambient temp with F class (Amb.40deg+105K Rise+10K Hot spot allowance) insulation. But my customer wants to use it at 50Deg. As per our spec. motor should be de-rated the max. power should be 93% of the rated power. Means customer has to reduce his application's OP torque about 7%. If my customer doesn't accept reduce the app. torque, can I go for H class (Amb.40deg+125K Rise+10K Hot spot allowance) insulation. Will the 20K additional temp. rise cushion compensate the increase of 10deg in Ambient? What will be the winding temp. according to the ambient temp rise about 10Deg (50Deg)C 20Deg C (60deg)? Pls help
- In theory the heat dissipation is linear, so an increase in ambient of 10C (aka 10K) will cause the winding temperature to increase by the same amount. Yes, you can use a higher insulation class throughout to allow the motor to run hotter. If you are not the motor manufacturer, ask the manufacturer what they would recommend.
- Q:What is the difference between the excitation winding and armature winding of AC motor?
- Only synchronous generator and synchronous motor have excitation winding and armature winding. In general, AC induction motors do not have field windings. The asynchronous motor is divided into two major categories, squirrel cage and winding. The stator winding structure is the same. The squirrel cage rotor is a squirrel cage, and the winding rotor is a coil (which can be changed by an external device to change the rotor impedance).
- Q:Explain how a phase shift between the current in the poles of a motor causes a rotating magnetic field to be created.
- This relates to an ac motor, (Alternating Current). The AC current has a sinusoidal wave, of 60 cycles per seconds(USA). Therefore the current is alternating from positive to negative once in each cycle. The coils in the field or armature of the motor, alternately create a magnetic field that alternate synchronously with the current, creating a N(pole) or a (S) pole magnet at the core of the coil. It is this alternating pole (N to S toN to S.....on and on )that creates the attraction or repulsion between the magnetic fields in the housing(stator) and rotor of the motor, causing the rotational movement. A direct current passing thru a coil which is wound around an iron core will produce a magnetic field that makes one end of the iron core as N(pole), the other as(S) pole, steadily. The same set up , but with an alternating current (A.C) will create alternating N pole, and S pole at the same end of the core, changing at the rate of the frequency of the ac supply.
- Q:what will happen when ac wil supply to an dc motor?
- motor will not work
- Q:Haven't connected it yet.
- 90 W doesn't tell you what voltage it is supposed to get and 230V rectified is likely frying it.
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Cummins Engine Diesel Generator with Light Tower Low-noise 25kva -2000kva
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 set
- Supply Capability:
- 1000 set/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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