CSR is what? Chambers prefabricated single-sided servicing: models
CSR is a device that is designed forreception of the electric power. Models work in an alternating current network. Its frequency should be 50 Hz. In a two-phase current network, devices can not be operated. To date, models are available with a different nominal voltage parameter. Some configurations are designed exclusively for operation at distribution substations.
Also there are devices for maintenanceunderground. Separately, there are a number of models for receiving electricity from transformer substations. The development of CSR abroad is very active. In order to understand this issue in more detail, it is necessary to consider specific modifications.
Modification Description 398
Series 398 CSR - a device designedfor working with distribution substations. The drive in this case is located with insulators. Directly the busbar compartment is equipped with a power switch. The nominal voltage of the circuit is 10 kV. In turn, the current of the thermal rack is at the level of 20 kA. The minimum temperature is allowed at -10 degrees. The disconnect in the presented device is bus.
Model 399 Parameters
Series 399 CSR - a device designedfor supplying electric power to transformer substations. The rated current in this case is 7 kV. In turn, the current of the thermal rack is at 22 kA. The maximum line voltage represented by the modification is capable of withstanding at 8 kV. The drive of the model is electromagnetically mounted. The compartment of the busbars in the device is located in an upright position. The control relay is located near the actuator of the switches.
The cells of CSR 200 are capable of rated voltagewithstand at 6 kV. The actuator in this case is of the spring type. The relay protection compartment of the model is located next to the switch. Directly the control unit is provided with meters. The disconnector in the device is installed in a bus type. A fuse in this case is available. The maximum line voltage circuit is capable of withstanding no more than 8 kV. The rated current of the busbars is 560 A. The minimum permissible temperature of the device is -20 degrees. For traction substations, the presented model is not suitable.
Description of the configuration 202
Series 202 CSR - a device designedfor the distribution of electricity between substations. In this case, the control unit is equipped with a power switch. The drive is mounted in a spring type. In turn, the relay is provided with a fuse. The overvoltage limiter is available.
If we talk about the parameters of the equipment, thenit is important to note that it can withstand a rated voltage of 6.2 kV. The current rating of the thermal rack is 20 kA. The rated current of the busbars does not exceed 660 A. The maximum permissible temperature at which the device is allowed to operate is +40 degrees.
Characteristics of the model 204
The CSR 204 series are devices designedfor supplying and distributing electricity from traction substations. The model works only in a network with alternating current. The drive in the device is directly mounted in an electromagnetic type. The control unit in the equipment housing is located next to the power switch. The voltage transformer of the model is of a down-type type. The rated current of the busbars is at 620 A. The maximum line voltage system can withstand at 9 kV. The alarm devices are installed in this case.
Device features 205
The KSO cells 205 rated voltage can withstandin 7 kV. In this case, the thermal current rating is 23 kA. The device maintains the maximum maximum line voltage at 9 kV. The nominal current of the busbars is not more than 700 A. The disconnector of the equipment is provided with a linear type. In this case, the control unit is installed with insulators. With transformer substations this model can work.
The fuse has a fuse type. Signaling and measuring devices are located next to the control unit. The busbar compartment of the model is used with a power switch. The maximum permissible temperature of the device is 40 degrees. A relay protection compartment is provided in this case. To work with traction substations, this device is not suitable. There are no accounting devices for the equipment.
Modification Details 210
Series 210 CSR (camera) is designed fordistribution of electric power from the step-down substations. During the repair work it is used quite often. The overload system withstands large ones. The indicator of the rated voltage fluctuates around 9 kV. In turn, the current of the thermal rack is exactly 20 kA.
Accounting devices in this case are available. The drive of the switch is located in the control unit. Alarm devices in the model are installed. The busbar compartment of the equipment is used together with the fuses. The down-type transformer is installed in the model, and the bus isolator is used. The relay protection compartment is located next to the power switch.
Model 275 Parameters
Series 275 CSR (camera) is able to work only innetwork with a frequency of 55 Hz. In this case, the drive is of electromagnetic type. The circuit-breaker is installed in the control unit. Signaling devices in the equipment are provided. Also this model has a compartment busbar. Directly fuses are installed in the control unit. The transformer is used in a down-type. In turn, the disconnecting bus is used.
If we talk about the parameters of the equipment, then inFirst of all, it is important to note the high level of the rated voltage at the level of 7 kV. The current of the thermal rack does not exceed 23 kA. The maximum operating voltage can reach up to 10 kV. The minimum permissible temperature of the equipment is -10 degrees. The control relay in this case is provided. With the traction substations, the presented model can work. Also, this device is used in the repair of transformer substations.
Model specifications 280
These models of CSR nominal voltage holdexactly 7 kV. In this case, the current of the thermal rack does not exceed 25 kA. In turn, the line voltage is 8 kV. The drive is spring-type. The minimum permissible temperature of the device is -20 degrees. The operating voltage of the auxiliary circuit is at the level of 300 A. The busbar compartment is used with fuses. For the repair of traction substations, this model can be used. The disconnect in the equipment is installed bus.
Description of the device 298
CSR 298 (camera) is designed for normalwork of transformer substations. Directly the distribution of electricity in the circuit is provided by the relay compartment. The switch is in this case a power type. The drive, in turn, is electromagnetically mounted. Directly the control unit contains fuses of a fusible type. The disconnecting bus is used, and insulators are provided in it.
Surge suppressor installedlow-frequency. The rated voltage of the CSR 298 (chamber) is at a level of 6 kV. The relay protection compartment is located in the control unit. The maximum operating voltage of the model is 22 kA. The rated current of the busbars is 670 A. The minimum permissible temperature of the system does not exceed -20 degrees.
Features of Model 366
CSR 366 (chamber) is used for tractionsubstations. In this case, the nominal voltage indicator fluctuates around 7.5 kV. The current of the thermal rack of the system does not exceed 23 kA. The maximum line voltage equipment can withstand at 9.5 kV. The drive in the device is of the spring type. The power switch is installed near the control unit.
The fuses in the system are provided. In this case, the disconnector is only a bus. All the main meters of the equipment have been installed. For transformer substations, CSR 366 (camera) is not suitable. It can only work in a network with a limiting frequency of 50 Hz. The nominal current of the busbars of the device does not exceed 660 A. The minimum permissible temperature of the model is -20 degrees. Signaling devices in this case are absent.
Device Settings 307
This model is often used for worktransformer substations. The drive is electromechanical type. Directly the control unit of the device is located next to the busbar compartment. There are no fuses in the equipment. However, isolators in the control unit are installed. The system maintains the nominal voltage at the level of 7 kV.