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  • Series resonance

    XSN (XZ) -810kVA/130kV frequency conversion cable series resonance

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    ● Product Introduction

    Product specifications: XSN (XZ) -810KVA /130kV(frequency conversion)

    Applicable to test products: cable, switch

    Product range: 35kV/300mm2 cable 5km, 110kV/630mm2 cable 1km

    ● Product functions and functions:

    1. Help customers to carry out preventive ac pressure test and handover AC pressure test of various tested products;

    2. Ac voltage withstand test of cross-linked rubber and plastic power cables, power transformer, GIS, transformer, insulator, generator, switch and other tested products' insulation ability to withstand various overvoltages and capacitive loads.

    ● Product name: series resonance withstand voltage test complete set of equipment, AC withstand voltage test complete set of equipment, resonance boost device for inspection, series resonance withstand voltage test instrument.

    ● Test object:

    1, 35kV/300mm2 cable 5km AC voltage test, capacitance ≤0.97uF, test frequency 30-300Hz, test voltage 52kV, test time 60min.

    2, 110kV/630mm2 cable 1km AC voltage test, capacitance ≤0.201uF, test frequency 30-300Hz, test voltage 128kV, test time 60min.

    ● Product core parameters

    1. Core product parameters:

    Rated capacity: 810kVA;

    Input power supply: three-phase 380V voltage, frequency 50Hz;

    Rated voltage: 54kV; 135 kv;

    Rated current: 15A; 6 a.

    Operating frequency: 30-300Hz;

    Device output waveform: sine wave

    Waveform distortion rate: output voltage waveform distortion rate ≤1%;

    Working time: continuous 60min under rated load; Overvoltage 1.1 times 1 minute;

    Temperature rise: temperature rise ≤65K after 60min continuous operation under rated load;

    Quality factor: Q≥30(f=45Hz);

    Protection function: over current, over voltage and flashover protection (see frequency conversion power supply);

    Measurement accuracy: system effective value 1.5 level;

    2, excitation transformer JLB-30kVA/2.5/5kV/0.4kV 1

    Rated capacity: 30kVA;

    Input voltage: 0-400V, single phase;

    Output voltage: 2.5/5kV

    Structure: dry type;

    Weight: about 130kg;

    3. One frequency conversion power supply bP-30KW /380V

    Rated output capacity: 30kW

    Power supply: 380±10%V (three-phase), power frequency

    Output voltage: 0 -- 400V, single phase,

    Rated input current: 75A

    Rated output current: 75A

    Voltage resolution: 0.01kV

    Voltage measurement accuracy: 1.5%

    Frequency adjustment range: 30-300Hz

    Frequency adjustment resolution: ≤0.1Hz

    Frequency stability: 0.1%

    Operating time: continuous 60min at rated capacity

    Maximum temperature of components ≤65K during continuous operation at rated capacity for 60min;

    Noise level: ≤50dB

    4, high voltage reactor DK (G) -81KVA /27kV 10 sections

    Rated capacity: 81kVA;

    Rated voltage: 27kV;

    Rated current: 3A;

    Inductance: 34H/ single section;

    Quality factor: Q≥30 (f=45Hz);

    Structure: dry type;

    Weight: about 75kg;

    5, capacitor divider FY-130KV /2000pF 1 set

    Rated voltage: 130kV;

    High voltage capacity: 2000pF

    Dielectric loss: TG σ≤0.5%;

    Partial pressure ratio: 1500:1

    Measurement accuracy: effective value 1.5 level;

    Weight: about 26kg;

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