СММur-1L mobile oil plant
СММur-1L mobile oil plant
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The СММur-1L continues the excellent functionality of this series of equipment, but is designed to be more compact and economical.
The СММur-1L purifies electrical insulation oil1Insulating oil is an oil that is stable at high temperatures and has excellent electrical insulating properties. with viscosity2The viscosity of a fluid is a measure of its resistance to deformation at a given rate. below 70 cSt at 50o, removing water and particulate matter.
This device can heat oil-filled electrical equipment with hot transformer oil and evacuate air from vacuum3Vacuum is space devoid of matter. An approximation to such vacuum is a region with a gaseous pressure much less than atmospheric pressure. systems.
The unit ensures oil purification4Oil purification removes oil contaminants in order to prolong oil service life. according to class -/14/12 from initial class -/18/16 (contaminant content by weight less than 0.004%) after multiple passes of the product through the filters5Filter is a device which separates solids from fluids (liquids or gases) by adding a medium through which only the fluid can pass..
The СММur-1L is used in the course of commissioning, repairs and operation of oil-filled high voltage systems (power transformers6A transformer is a static electrical device that transfers electrical energy between two or more circuits., high voltage switches7Switchgear is composed of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. etc).
| № |
Parameter |
Value |
| 1 | Processing rate, m3/hour: |
1.0 |
| 2 | Max oil output temperature in heating mode, °С |
60 |
| 3* | Processed oil parameters (initial moisture less than 100 ppm):
— filtration, μm — minimum dielectric strength, kV — ISO 4406 purity class — moisture content, ppm |
5 75 -/14/12 10 ppm or 5 ppm or 5 ppm+ (optionally) |
| 4 | Output height relative to the outlet, meters |
20 |
| 5 | Max input pressure, MPa |
0,1 |
| 6 | Max output pressure, MPa |
0,25 |
| 7 | Oil heater power, kW |
20,4 |
| 8 | Mean heater surface power, W/cm2, max |
1,1 |
| 9 | Nominal power, kW |
25 |
| 10 | Three phase AC power (voltage, frequency) |
Custom |
| 11 | Max dimensions, mm
— length — width — height |
1500 1000 1550 |
| 12 | Weight, kg, max |
650 |
Note: * Initial oil parameters:
- moisture below 0.005% (50 ppm);
- oil heated to +60±5ºС for 30 minutes;
- gas content below 10%.
- compact size. The unit can be carried by various vehicles (ground, sea, air);
- simple operation and maintenance;
- increase of dielectric strength from 15 to 75 kV in several passes;
- optimized heater design with increased heating rate without excessive power requirements;
- sight glass of sufficient size for simple visual monitoring of oil processing.
Manual performance adjustment by valves (or smooth performance adjustment, see option). Functioning in semi-automatic modes. Stepped or smooth (see option) oil heating. PLC control
Automatic performance adjustment. Functioning in automatic modes. Smooth oil heating. Control from PLC + HMI
Frame open design
Shell is available
Online monitoring the transformer tank oil level. Automatic shutdown of the procesing unit and automatic block of the oil hoses in case of an accident. Automatic performance adjustment option. Automatic smooth direct heating option
Performance adjustment with manual valves
Performance adjustment of the oil pump is executed with a regulator on the control panel by means of a valve with an electric drive. Visual monitoring of the flow rate is by the flow meter indicator
Performance adjustment of the oil pump is executed by setpoint selecting at the control panel screen for maintaining the level in the vacuum column. Setpoint is kept constant by means of a valve with an electric drive. Pump operation is smooth throughout the entire control range. There is a digital meter to control oil flow
The controller program switches the heater stages by contactors according to the algorithm. Operator sets the temperature and it is kept constant automatically
Solid state relay (SSR) adjusts the heater stages’ current smoothly and non-contactly. The P-Int-Derivative Controller
The language of text at the controller screen, devices, controls and the language of the technical documentation is English
The language of text at the controller screen, devices, controls and the language of the technical documentation is upon customer’s request
The 10 ppm mode is the standard operating mode of the equipment, which involves drying oil using thermal vacuum technology.
The 5 ppm mode ensures a very low level of residual moisture in the oil by reducing machine productivity. This means that the equipment effectively removes even the smallest traces of water, which significantly extends the service life of the equipment.
The 5 ppm+ mode is an improved version that ensures even lower residual oil moisture levels by using sorbent cartridges and reducing machine productivity. This is ideal for critical applications especially for heavily loaded transformers with high demands.
Capacitive transducer determines the activity of water dissolved in the oil and converts it into the absolute moisture content of the oil which entered the unit
Capacitive transducer determines the activity of water dissolved in the oil and converts it into the absolute moisture content of the oil which was processed by the unit
Capacitive transducer determines the activity of water dissolved in the oil and converts it into the absolute moisture content of the oil which entered the unit and which was processed by the unit
Option to select the fine filter contaminant capacity
Option to select the fine filter contaminant capacity
Option to select the fine filter filtration degree
Option to select the fine filter filtration degree
Mechanical flow meter with total flow display
Digital flow meter with current and total flow display
Power supply analyzer displays the current, voltage, frequency by phases and other parameters
Industrial warmer with forced heat exchange to avoid condensation in the control cabinet
Sealing material: valve, rings, pump, gaskets
Sealing material: valve, rings, pump, gaskets
Four-wire flexible copper cable for external power supply
The cable is fitted with an industrial sealed connector, consisting of an internal plug and a cable socket
The cable wires’ ends are fitted with a crimp terminals
The cable is fitted with an industrial sealed connector, consisting of an internal socket and a cable plug.
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