SAS POWERTECH PVT LTD Baner, Pune, Maharashtra

We carry out efficiency study of Thermal & HVAC system & their ancillaries. A detailed demand analysis of significant areas is conducted to decide HVAC capacity requirements. Measure energy consumption and inspect existing HVAC equipment for proper maintenance. In-house Experts offer comments on possible energy savings in this area.

We undertake shifting & relocation of your UPS systems & batteries involving disconnection, unloading transportation & positioning & reconnection at site.  

Short-Circuit Currents are currents that introduce large amounts of destructive energy into a power system in the form of heat and magnetic force. A short circuit is also known as a fault. It is a type of current that introduces a significant amount of energy into a power system. It can take the form of either heat or magnetic force. It is a low-resistance energy path that bypasses part of a circuit and causes the bypassed part of the circuit to stop working. The reliability and safety of electric power distribution systems are dependent on an accurate and thorough understanding of the short-circuit fault currents that can exist, as well as the ability of protective devices to interrupt these currents satisfactorily.Short circuit currents pose the most serious general hazard to power distribution system components and are the primary concern in the development and application of protection systems. Short circuit currents, fortunately, are relatively simple to calculate. The basic nature of short circuit currents can be determined by applying three or four fundamental circuit analysis concepts. These ideas will be stated and applied in a step-by-step progression.To correctly apply equipment in accordance with NEC and ANSI standards, short-circuit calculations are required. The amount of detail required to perform these calculations varies greatly depending on the size and utility connection.A Short Circuit study is a thorough examination, analysis, or evaluation of an electrical system to determine the magnitude of currents that can flow during an electrical fault and correlate with those values to the ratings of installations of equipment and short circuit protection devices.It addresses short-circuit analysis activities such as design considerations for new systems, analytical studies for existing systems, and operational and model validation considerations for industrial and commercial power systems. In power systems, a short circuit protection fault study is critical.

In power system networks, protection must be designed so that protective relays isolate the faulted portion of the network, preventing equipment damage and operator injury, and ensuring minimal system disruption, allowing service to the healthy portion of the network to continue.To achieve proper fault identification and fault clearance sequence, relay coordination is used. These relays must be able to distinguish between normal operating currents and short-term overcurrents caused by normal equipment operation, such as motor starting currents, transformer inrush currents, and sustained overcurrent caused by fault conditions. Power system relaying and overcurrent protection are concepts that are mutually dependent and contribute to the plant’s smooth operation. Protection coordination or protective device coordination research will include the calculation of protection relay settings as well as power system protection and switchgear such as MCB, Fuse, ACB, VCB, and so on.As protection is a major concern in any industry, and they rely on protective devices for the same, a relay coordination study and analysis is performed to ensure that the system’s safety operations are functioning correctly and to avoid nuisance tripping. The cause of nuisance tripping is the modification of protective devices and their settings during maintenance without appropriate study and analysis.A coordination study’s goal is to determine the characteristics, ratings, and settings of overcurrent protective devices that will ensure that the minimum unfaulty load is interrupted when protective devices isolate a fault or overload anywhere in the system. A coordination study should be carried out.

The term Reactive power compensation services and Study is described as the regulation and control of the reactive power to improve the performance of alternating current or AC. The problem of reactive power compensation is generally related to load and voltage support. The goals of load support are to increase the value of the system power factor, balance the real power drawn from the alternating current supply, improve voltage regulation, and eliminate current harmonic components produced by large and fluctuating nonlinear industrial loads. Voltage support is typically required to reduce voltage fluctuation at a transmission line terminal. By increasing the maximum active power that can be transmitted, reactive power compensation in transmission systems improves the stability of the ac system.Because reactive power has a higher capacity than is actually required, it is best to generate reactive power only when it is needed. If the reactive power is generated by a power plant, all of the equipment associated with the distribution system must be aligned with it.Reactive power is a necessary component of electric power systems. Without reactive power, rotation can’t be initiated in rotating machines and active power cannot be transmitted through transmission lines. There are numerous advantages to being able to control or compensate for reactive power. Positive and/or negative VArs are added or injected into the power system during the reactive power compensation process to achieve voltage control.Reactive power is a necessary component of electric power systems. Without reactive power, rotation can’t be initiated in rotating machines and active power cannot be transmitted through transmission lines. There are numerous advantages to being able to control or compensate for reactive power. Positive and/or negative VArs are added or injected into the power system during the reactive power compensation process to achieve voltage control. Harmonic distortions in the power system were briefly discussed, as were the problems caused by non-linear loads. Power compensation study also addresses the issues with harmonic analysis of the system.

A power system is made up of synchronous machines that work in unison. In order to ensure the continuity of the power system, they must maintain perfect synchronism under all steady-state conditions. When a disturbance occurs in the system, the system generates a force that causes it to return to normal or stable operation.The power system is the most important component of power transmission, and it is subject to numerous disturbances. When this system is disrupted, it must be able to return to its original state, and this ability is referred to as the power system’s stability. System disturbances can be of various types, such as sudden changes in load, a sudden short circuit between line and ground, a line-to-line fault, all three line faults, switching, and so on. If the electric power system is unable to return to its previous state, it will cause a slew of power issues. Instabilities are caused by a lack of synchronization. The system integrity can be preserved when the entire power system remains intact with no tripping, except for those that are tripped to protect the power system due to the faulted elements.In power plants, several synchronous generators are connected to a bus that has the same frequency and phase sequence as the generators. Therefore, for a stable operation, the generators must be synchronized with the bus during generation and transmission. As a result, power system stability is also known as synchronous stability, and it is defined as the system’s ability to return to synchronism after experiencing a disturbance such as switching on and off of load or line transience.Another factor that must be considered in order to fully comprehend stability is the system’s stability limit. The stability limit specifies the maximum power that can flow through a specific part of the system that is subject to line disturbances or faulty power flow. We’ve covered the terminology associated with power system stability, so let’s look at the different types of stability.

Minimizing energy costs has become increasingly important in an era when lean manufacturing has become the industry motto. However, it is not only a matter of controlling consumption but also of how the utility bills that consumption. Here’s where the power factor comes into play. In an electrical system, the power factor is the ratio of real power to apparent power. The greater the current draw, the lower the power factor. To minimize power dissipation, a higher current necessitates thicker wires and a more robust infrastructure. Since this raises utility costs, facilities with low power factors are charged a higher rate.Power factor Correction Services measures the efficiency of an electrical system. Displacement power factor and total harmonic distortion are the two terms used to describe True power factor correction services. It is frequently boiled down to displacement power factor, but this only applies to a subset of linear loads. But since driveshaft and varying frequency drives are nonlinear loads, the rationalization no longer applies.Energy must be supplied to a machine in order for it to perform work. In the electric motors, further electricity is required to be supplied than does seem as valuable work at the motor shaft. A certain amount of electricity is required just to maintain the necessary magnetic field, but no useful work is produced. This factor is called reactive (or magnetizing) power. Utility companies will provide a limited amount of reactive power free of charge, but customers with high reactive power loads will be charged an additional fee for the reactive component.Power Factor (PF) is the ratio of active or usable power measured in kilowatts (KW) to total power (active and reactive) measured in kilovolt amperes (KVA).The value of the power factor can theoretically range between 0/ percent and 100 percent, with a value of 100 percent delivering all of the power as active power. A value of 0% indicates that all power is supplied as reactive power; no motors would turn and no useful work could be done. Electric utility companies are responsible for meeting the entire KVA (total power) demand. A high power factor is important because a customer only gets useful work from the KW (usable) portion.Electrical equipment such as transformers, electric motors, welding units, server banks, lighting systems, and static converters add to the load on generators, transmission lines, transformers, switchgear, and cables. Reactive power can also result in significant energy loss due to heat dissipation.Power Factor Correction is done for increasing an electrical system’s efficiency in order to deliver as much power as possible as active power. Power factor correction provides significant cost savings and environmental benefits by improving energy efficiency and lowering electricity consumption throughout your power system.

We, SAS POWERTECH PVT LTD Harmonic Analysis Service are instrumental in offering premium quality Power Electronics Card Component Level Repair Service to our valuable customers. Electronic repairing card component services Used in various industrial applications such as repairing soft drink plants, and plastics machinery, these Electronic Repairing Services are recognized for their timely implementation and cost-effectiveness. We have chosen a team of skilled technicians, which hold expertise in their area of operation, for performing these services. We procure tools to execute these services from the most trusted and renowned vendors after strict market analysis. Additionally, we offer these products at realistic rates and deliver these within the assured time frame.

Providing Maintenance & repair services for Online UPS systems of certain makes & undertaking their services for enhancing uptime. With an experienced team of Power Electronic Experts and a in house testing & repair facility we are actually able to make a difference in the way your critical equipment’s are maintained.

The focus of this study is to enhance the Electrical safety of a facility against lightening strikes and achieve compliance to IS 62305.After implementation, SASPPL will prepare a compliance statement and set of as built drawings for inhouse and statutory records.SASPPL also undertakes a short training of maintenance team and a classroom tour of IS 62305 to make them self sufficient on requirements of standard and how they are achieved in plant.The whole process is executed under guidance of a chartered electrical engineer with over 30 years of field experience. 

Level – 1 is a Walkthrough Audit of the site conducted by our Auditor involving study of available Energy data of the facility to identify any opportunities as well identify areas where detailed study is required for Energy conservation.Level – 2 is a Comprehensive Energy Audit involving deep dive studies of the utilities & involvement of various Subject Matter Experts from Mechanical, Thermal as well as HVAC & Compressed Air systems. This study provides implementable solutions with definitive ROI for Energy conservation. This study involves use of high end testing & measuring equipments along with teams of experts & engineers.

This is a unique offering from SASPPL & involves detailed data collection of the distribution inclusive of cables, switch gears, relay’s & data recording using PQ Analysers by team of experienced Engineers. The collected data is then entered in Etap to Electrical generate a live electrical SLD of the facility. Documentation with precise Electrical characteristics is available for user teams & complies to EHS requirements. The live SLD can be updated as well as proposed changes can be simulated to see effects & for designing best combination. A reference Electrical Manual can be created as a reference document for EHS compliance.

IR Thermogrphy is a Predictive Maintenance activity carries out using high resolution Thermal Camera to identify the hot spots in the Electrical distribution system. The analysis is done to identify the exact reason for the heating

We, SAS POWERTECH PVT LTD recognized for providing harmonic analysis services. Our strength lies in our expertise in analyzing the data from the power analyzer which helps in the outcome of the root cause of the problem and also our powerful analyzer which helps to detect harmonics. Not alone harmonic transient, distortion and other glitches are also easily apprehended by our power analyzer. We are one of the most reputed companies which have effectively find out harmonic related difficulties and given remedial solution to the client across various industries, IT offices, Buildings, Hospitals, Power Plant, Steel etc. The Energy Audit offered is performed by our team of our BEE Certified Energy Auditor, which holds wide knowledge in this domain.

Service offering provided to plants having large Internal Electrical network or having Co-generation to understand the impact of electrical disturbances on internal distribution as well as on Grid. To identify the causes of these disturbances & solutions to ensure trouble free generation & supply of power.

Service offering provided to plants having large Internal Electrical network or having Co-generation to understand the impact of electrical disturbances on internal distribution as well as on Grid. To identify the causes of these disturbances & solutions to ensure trouble free generation & supply of power.

The offering involves visit of Electrical Expert and data collection from site on various load conditions of the facility. The collected data is then used to conduct Load flow study for various load conditions & then short circuit Analysis is conducted to generate report as per load.Reality check of existing short circuit protection system. Short circuit & Fault Current ratings at HT, LT, PCC & MCC levels are calculated by the system precisely.Short circuit protection can be redesigned as per findings. Enhancement of facility uptime by ensuring fault is isolated by the nearest protection.

The offering involves visit of Electrical Expert and collection of switch gear & actual relay settings and electrical data using Analysers from site on various load conditions. The collected data of switchgear & protection relay settings is the facility is fed to conduct Load flow study followed by short circuit analysis & Protection Relay coordination study.  

The offering requires collecting Electrical infrastructure details and Electrical data collection using Power Quality Analysers by team of experienced Engineers. The collected data is then simulated in ETAP for conducting validation & load flow study. This service provides exact quantum of Loss with load & branch losses. Component wise loss can be identified viz. X’mer/ Cables. Solutions pertaining to correction & loss reduction can be designed & implemented to reduce losses

The study involves validation of a prepared design through ETAP software. Usually designers are not motivated to reduce overall project cost and mostly design based on assumptions provided by the users. The selection of component is based on the availability & features suggested by manufacturers rather than validation & sizing.Through this service the design is validated for various load simulations & we are able to optimize the component sizes to enhance Electrical Safety of the design. This service can reduce Electrical infrastructure costs in a project by 20% – 30%.

The offering involves Site Electrical data collection & running various simulation modules to check compliance to standards mentioned CEA 2010, Electricity Act (GOM/ GOI), IS 732, IS 3043, IS 60909, IS 62305, IEEE 1584 (2018), NFPA 70E, IEEE 519 (1992/ 2014)  

Electrical transients in power systems can occur from a variety of sources and have a negative impact on the equipment and reliability of the power system. It is best to be aware of potential sources in your facility and to take precautions against them.Electrical transients are sudden and short-lived surges of energy induced in power or data and communication lines in a utility or any facility. They have extremely high voltages that drive large amounts of current in an electrical circuit for periods ranging from less than a microsecond to several milliseconds. As a result, the system transitions from a stable to a momentarily disturbed state and back again. The steady-state condition refers to the stable state that exists after the transient has passed.Most electrical transients are not of great magnitude, but their impact on the performance of circuits and interrupting or protective devices is critical. Transients in power systems take the path of least resistance to ground and can cause circuit components and semiconductor devices to overheat, resulting in malfunction and failure. Furthermore, a significant number of these electrical transients are large enough to cause the insulation of the power system’s equipment to fail.During a transient, the adverse conditions can be extremely damaging to power system protection equipment and switchgear. Their impact on devices varies according to the device and its location on the power system. As a result, power system engineers constantly devise methods and means to limit the magnitude of transients produced and control their effects on operating equipment.

SASPPL offers various E learning courses for its client teams to help them enhance their technical konwledge & perfromance. These Industry ready modules are designed on topics like Electrical Safety, VFD’s, UPS systems, Earthing Systems by various Subject Matter Experts and are in line with IS standards & Central Electricity Authority guidelines. This is a could based service and is provided on license basis for fixed time duration for the teams. With a technical focus they are deisgned to suit your requirements & also have features for the Managnement to monitor usage & evaluate the knowledge of their resources.

Electricity is now an essential part of our daily lives, and we realize how important it is when there is a brief power outage. With the rapid growth of industries and commercial space in recent years, we have seen an exponential increase in the number of electrical accidents. Accidents not only result in a loss of business, but also a loss of life, brand image, business continuity, and employee confidence in the workplace. It is past time to conduct an Electrical Safety Audit regularly to check the status of electrical systems.The purpose of an electrical safety audit is to examine the safety and security of any industrial unit or organization’s electrical installations. It is a useful tool for identifying areas of risk, hazards, and potential accidents in plants, as well as deterioration of standards and determining actions to minimize hazards. An electrical safety audit is carried out by conducting an investigation, inspection, testing, and evaluation of any entity that is equipped with electrical equipment.Electrical Safety Audits are conducted for Electrical Hazard Detection Services that are performed by experienced professionals who help clients reduce risk and ensure compliance with applicable Safety Standards and Regulations.A safety assessment aims to maintain a safe workplace through hazard identification and removal, to ensure employees are following the most effective safety procedures, and to ensure the facility, equipment, and operations meet the required local, state, and federal, health, and safety requirements, as well as best industry business Furthermore, safety audits, ensure that the necessary administrative records supporting the required health, safety, and medical activities are kept.