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Standard No. Title Price(USD) Delivery Status Add to Cart
DL/T 2221-2021 Prequalification test specifications for extruded HVDC cable system forrated voltages from 160 kV to 500 kV $280.00 via email in 1~3 business day valid
DL/T 2222-2021 Test method for corona of AC transmission line rigid jumpers $300.00 via email in 1~5 business day valid
DL/T 2223-2021 Guide for long wave-front time impulse voltage test technology $370.00 via email in 1~3 business day valid
DL/T 2224-2021 Gas leakage detection method of on-site infrared imaging technology for SF6 insulated equipments $300.00 via email in 1~3 business day valid
DL/T 2225-2021 Guide for DC demagnetization test on power transformers $195.00 via email in 1~3 business day valid
DL/T 2226-2021 Technical specification for online monitoring systems of valve regulated lead-acid batteries in electric power system $420.00 via email in 1~5 business day valid
DL/T 2227-2021 Selection guide to Hv DC transfer switches for ±800 kV and above UHVDC transmission system $700.00 via email in 1~5 business day valid
DL/T 2228-2021 Regulation of operation and maintenance for gas-filled switchgear panel used in substation $500.00 via email in 1~5 business day valid
DL/T 2229-2021 Technical specifications for high voltage ceramic capacitance sensor up to 35 kV $600.00 via email in 1~5 business day valid
DL/T 2230-2021 Guide for monitoring of lightening intruding surge overvoltage in AC power system $500.00 via email in 1~5 business day valid
DL/T 2231-2021 Guide for frequency domain dielectric spectrum test of Oil-paper insulation power apparatus $700.00 via email in 1~5 business day valid
DL/T 2232-2021 Guide for temporary artificial rounding short-circuit testof transmission lines at 500kv and above $320.00 via email in 1~3 business day valid
DL/T 2233-2021 Prequalification test specifications for AC submarine cable systems with cross-linked polyethylene insulation for 110 kV up to 500 kV $225.00 via email in 1~3 business day valid
DL/T 2234-2021 Rules for reliability test of cost-control circuit breaker $400.00 via email in 1~3 business day valid
DL/T 2235-2021 Technical specification for power metering (panel) cubicle at power plant gateway $630.00 via email in 1~5 business day valid
DL/T 2236-2021 Guidelines for the configuration of UAV inspection system for overhead power lines $180.00 via email in 1~3 business day valid
DL/T 2237-2021 Drawing technical guide of wind region distribution map for power grid $255.00 via email in 1~3 business day valid
DL/T 2238-2021 Technical specification for capacity configuration of electric power system contingency reserve $105.00 via email in 1~3 business day valid
DL/T 2239-2021 Test specification for substation inspection robots $285.00 via email in 1~3 business day valid
DL/T 2240-2021 Technical condition for composite pole and cross arm in distribution network $480.00 via email in 1~5 business day valid
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