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6 Frequently Asked Questions about “National Communication Base Station Inverter Construction Specifications”
What is a BS type 1 Nr base station?
BS type 1-C: NR base station operating at FR1 with requirements set consisting only of conducted requirements defined at individual antenna connectors. BS type 1-H: NR base station operating at FR1 with a requirement set consisting of conducted requirements defined at individual TAB connectors and OTA requirements defined at RIB.
What is a base station Radio Frequency equipment type approval?
Note 1: the applicant for base station radio frequency equipment type approval may decide to test with 50MHz of base station channel bandwidth and the smallest carrier spacing that is supported and declared for every operating frequency band instead of the 100 MHz of base station channel bandwidth.
Which Nr test configurations should be used for other NR base stations?
For other NR base stations, the test configurations in table 4.5-1 and table 4.5-2 shall be used. The NR test configurations (NRTCx) are defined in TS 38.141-1, subclause 4.7 for BS type 1-C and BS type 1-H and in TS 38.141-2, subclause 4.7 for BS type 1-O and BS type 2-O.
Which PCU/Inverter should be used in a power plant?
IP-20(Minimum) for indoor. IP-65(Minimum) for outdoor. (a) Three phase PCU/ inverter shall be used with each power plant system (10 kW and/or above) but in case of less than 10 kW single phase inverter can be used. (b) PCU/inverter shall be capable of complete automatic operation including wake-up, synchronization & shutdown.
What type of Inverter should be used in a power plant?
415V, 3 Phase, 50 Hz(In case single phase inverters are ofered, suitable arrangement for balancing the phases must be made.) IP-20(Minimum) for indoor. IP-65(Minimum) for outdoor. (a) Three phase PCU/ inverter shall be used with each power plant system (10 kW and/or above) but in case of less than 10 kW single phase inverter can be used.
What is the minimum vertical distance between insulators & bushings?
17.10 The minimum vertical distance from the bottom of the lowest porcelain/polymer part of the bushing, porcelain/polymer enclosures or supporting insulators to the bottom of the equipment base, where it rests on the foundation pad shall be 2.55 metres. Electro-galvanised for sizes below M12, for others hot dip galvanised.