GDTF-HVC AC Resonant Test System (for Cables)

GDTF-HVC AC Resonant Test System (for Cables)

General Information

GDTF series AC Resonant Test System for Cables are composed of frequency/voltage adjustment power,exciting transformers, reactors, capacitive divider. The power frequency can be adjustable,which make the reactor and tested capacitor resonance.

Features

  • Small size, light weight, portable design.
  • Suitable for 35kV or below cables.
  • Single parts not more than 30kg, easy to carry.
  • 220V or 380V single phase power supply,convenient for on-site power sourcing.
  • Dry type epoxy cast for reactor,nice and reliable,suitable for various types of cables.

Technical specifications

  • Rated output voltage: 0 - 66kV(effective value) or below.
  • Output frequency: 20 -300Hz.
  • Resonant voltage waveform: sine wave, THD ≤ 1%.
  • Full load working time: continuous working time 60mins.
  • Quality factor: max. load ≥ 20.
  • Frequency adjustment: fineness 0.1Hz, instability ≤ 0.01%.
  • Power supply: 220V or 380V single-phase.

Product configuration

GDTF-44/22

Input voltage (V)

380

Output voltage (kV)

0-22

Capacity (kVA)

44

Application scope

10kV cable ≤ 1km(300 mm² )

Main configurations

2.5kW Variable frequency source 1 se t

2.5kVA Exciting transformer 1 set

Reactors 22kV/1A 2 sets

Capacitive divider 25 kV

GDTF-88/22

Input voltage (V)

380

Output voltage (kV)

0-22

Capacity (kVA)

88

Application scope

10kV cable ≤ 2km(300 mm² )

Main configurations

4kW Variable frequency source 1 set

4kVA Exciting transformer 1 set

Reactors 22kV/2A 4sets

Capacitive divider 25 kV

GDTF-132/22

Input voltage (V)

380

Output voltage (kV)

0-60

Capacity (kVA)

132

Application scope

10kV (300 mm² ) cable 3km

35kV (300 mm² ) cable 1km

Main configurations

6kW Variable frequency source 1 set

6kVA Exciting transformer 1 set

Reactors 22kV/2A 3 sets

Capacitive divider 60kV

GDTF- 176/22

Input voltage (V)

380

Output voltage (kV)

0-60

Capacity (kVA)

176

Application scope

10kV (300 mm² ) cable 4km

35kV (300 mm² ) cable 1km

Main configurations

7.5 kW Variable frequency source 1 set

7.5 kVA Exciting transformer 1 set

Reactors 22kV/2A 4sets

Capacitive divider 60kV

GDTF-264/22

Input voltage (V)

380

Output voltage (kV)

0-60

Capacity (kVA)

264

Application scope

10kV (300 mm² ) cable 6km

35kV (300 mm² ) cable 2km

Main configurations

10kW Variable frequency source 1 set

10kVA Exciting transformer 1 set

Reactor 22kV/2A 6 sets

Capacitive divider 60kV

GDTF-330/22

Input voltage (V)

380

Output voltage (kV)

0-60

Capacity (kVA)

330

Application scope

10kV (300 mm² ) cable 8 km

35kV (300 mm² ) cable 2.5 km

10-35kV switchgear, transformers

Main configurations

15kW Variable frequency source 1 set

15kVA Exciting transformer 1 set

Reactor 22kV/2.5A 6 sets

Capacitive divider 60kV

GDTF-640/32

Input voltage (V)

380

Output voltage (kV)

0-130

Capacity (kVA)

640

Application scope

10kV (300 mm² ) cable 10 km

35kV (300 mm² ) cable 4 km

110kV cable ≤ 1km(400 mm² )

35-110kV GIS

Main configurations

25 kW Variable frequency source 1 set

25 kVA Exciting transformer 1 set

Reactor 32 kV/2.5A 8 sets

Capacitive divider 130kV

GDTF-1280/ 32

Input voltage (V)

380

Output voltage (kV)

0-130

Capacity (kVA)

1280

Application scope

10kV (300 mm² ) cable 20 km

35kv (300 mm² ) cable 8km

110kV cable ≤ 2km(400 mm ² )

35- 110kV GIS

Main configurations

50kW Variable frequency source 1 set

50kVA Exciting transformer 1 set

Reactor 32kV/5A 8 sets

Capacitive divider 130kV

GDTF-1950/130

Input voltage (V)

380

Output voltage (kV)

0-520

Capacity (kVA)

1950

Application scope

110kV cable ≤ 2.5km

220kv GIS

110kV switchgear,transformers

Main configurations

100kW Variable frequency source 1 set

100kVA Exciting transformer 1 set

Reactor 130kV/3.75A 4sets

Capacitive divider 520kV

GDTF-3250/130

Input voltage (V)

380

Output voltage (kV)

0-520

Capacity (kVA)

3250

Application scope

110kV cable ≤ 5km

110kV/220kV switchgear

GIS,transformers

Main configurations

150kW Variable frequency source 1 set

150kVA Exciting transformer 1 set

Reactor 130kV/6.25A 4sets

Capacitive divider 520kV

GDTF-650 0/130

Input voltage (V)

380

Output voltage (kV)

0- 520

Capacity (kVA)

6500

Application scope

110kV cable ≤ 10km

110kV/220kV switchgear

GIS,transformers

Main configurations

300kW Variable frequency source 1 set

300kVA Exciting transformer 1 set

Reactor 130kV/ 12.5A 4sets

Capacitive divider 520kV

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