Quick Answers to Your Top Questions
Frequently Asked Questions (FAQs)
Find answers to the most common questions about electrical power testing equipment. If you can’t find what you’re looking for here, please contact us.
QILIDA’s main export product lines and typical applications are as follows:
| Product Category | Common Model | Typical Application Scenarios |
|---|
| Transformer/CT-PT Comprehensive Tester | QLD120P | Testing excitation characteristics, ratio, polarity, and DC resistance of current and voltage transformers |
| DC Resistance Tester | QLDH5100 | DC resistance measurement of transformer windings, motors, and reactors |
| Insulation Resistance Tester | QLDMDA | Insulation performance evaluation of transformers, cables, bushings, and motors |
| Partial Discharge Detector | QLD9104 | Online/offline partial discharge detection for high-voltage bushings, transformers, GIS, etc. |
| Gas-Type Power Frequency Test Transformer | YDQ Series | Power frequency withstand voltage tests for wall bushings, insulators, switchgear, etc. |
| Transformer Turns Ratio Tester | QLDBB | Measurement of transformer turns ratio, vector group, and ratio error |
| Circuit Resistance Tester | QLDH Series | Contact resistance measurement for switches, circuit breakers, and busbar connections |
| Dielectric Loss Tester | QLDJSDA | Measurement of dielectric loss and capacitance for bushings, instrument transformers, and capacitors |
| Portable Power Frequency Test Power Supply | QLDDY3100 | Provides portable AC power supply for various testing instruments |
You can make a preliminary judgment based on the following information:
Type of equipment under test: Transformers, instrument transformers, surge arresters, cables, switches, bushings, generators, etc.
Test items: Turns ratio test, DC resistance test, insulation resistance test, partial discharge test, withstand voltage test, loop resistance test, dielectric loss test, power frequency test power supply, etc.
Equipment voltage level: 11kV, 33kV, 69kV, 132kV, 220kV, 400kV, etc. (internationally accepted voltage levels).
Application scenarios: Factory testing, commissioning testing, preventive maintenance, fault diagnosis, on-site repair, etc.
If you are unsure, please contact our international sales team. Our engineers will recommend a suitable model based on your specific needs.
Yes. Our company has strong R&D capabilities and can provide customized solutions based on the specific needs of international clients, including: Special voltage/current ranges; Specific interfaces or communication protocols; Special environmental requirements such as explosion-proof, waterproof, and high-altitude protection; Multilingual operating interfaces (English, Spanish, Russian, Arabic, etc.); Local power supply compatibility (110V/220V, 50Hz/60Hz). Please communicate and confirm your customization needs with our international sales team in advance.
What international standards do our products comply with?
Our products are designed and manufactured in strict accordance with the following international standards:
IEC 60044 Instrument Transformer Series Standards
IEC 60137 Insulating Bushings for AC Voltages Above 1000V
IEC 60270 Partial Discharge Measurement
IEC 60076 Power Transformer Series Standards
IEEE C57.13 Instrument Transformer Standards (Institute of Electrical and Electronics Engineers)
ISO 9001 Quality Management System Certification
Shipping methods: Depending on the volume and weight of the goods and customer requirements, the following options are available:
International Express: DHL, FedEx, UPS, TNT
Air Freight: Suitable for medium to large-sized equipment, fast delivery
Sea Freight: Suitable for large quantities or bulky equipment
Shipping Costs: Beared by the customer (unless otherwise agreed in the contract)
Warranty period: 12 months for the entire machine (from the date of delivery), with possible extensions for core components.
Our company accepts OEM/ODM orders and can provide:
Brand customization: Customer’s brand can be printed on the product body, packaging, and instruction manual.
Software customization: User interface and report format can be customized according to customer requirements.
Function customization: Function configuration can be adjusted according to the specific needs of the local market.
T/T wire transfer; Western Union; PayPalYes.
A 30% payment is required upfront, with the balance due before shipment.
Free Training:
English Instruction Manual: Detailed operation instructions and precautions
Operation Videos: English demonstration videos are available for some products (available upon request)
Remote Guidance: Video conferencing guidance is available for first-time users.