Diagnostic Health Assessments, Preventive Testing & Condition Reports
Discuss this service
Overview
Periodic electrical testing and diagnostic health assessments are critical to identifying equipment wear, insulation deterioration, and protection miscoordination before unplanned outages occur. DV Consultancy Services provides on-site diagnostic testing services across Nagpur and Vidarbha.
Our field testing procedures utilize calibrated diagnostic test kits to evaluate key high-voltage and low-voltage assets, including transformers, circuit breakers, protection relays, and grounding networks.
We deliver clear, structured test reports comparing measured parameters against manufacturer standards and accepted industry benchmarks, supporting preventive maintenance decisions and pre-commissioning verification.
Technical scope
Implementation of Lockout/Tagout (LOTO) protocols and multi-point verification of zero voltage prior to connecting test leads.
Conducting planned test sequences in accordance with relevant Indian and international standards using calibrated equipment.
Comparing measured results against equipment nameplate ratings, previous baseline records, and standard limits.
Issuing formal test certificates with clear pass/fail status, data tables, and recommended corrective maintenance actions.
References below guide the technical conversation. The final applicable standards, authority requirements and issue dates must be confirmed for each project.
In line with standard preventive maintenance guidelines and regulatory recommendations, insulation resistance (IR), oil dielectric breakdown voltage (BDV), and protection relays should be inspected at least once every 12 months, with additional sampling after significant overload or tripping events.
DGA detects trace combustible gases dissolved in insulating oil resulting from electrical or thermal stress (e.g. hydrogen from partial discharge, acetylene from arcing, ethylene from high-temperature overheating), serving as an early diagnostic indicator before major faults develop.
As per IS 3043 guidelines, an industrial HT substation combined earth grid resistance should ideally be below 1.0 Ohm, while individual low-voltage equipment body earth pits should generally be maintained below 2.0 to 5.0 Ohms.
Engineered, energy-efficient, and IS 732-compliant electrical layouts and single-line diagrams for residences, villas, and housing societies.
High-reliability power distribution, backup generator synchronization, and life-safety electrical schemes for commercial and healthcare facilities.
HT substation design (up to 33kV), Motor Control Centers (MCC), power factor correction systems, and heavy-duty industrial earthing.
Share the project stage, available drawings and site constraints. We will use that context to frame the next engineering step.
Discuss your requirement